2019-05-08

电(Dian)动(Dong)工(Gong)具(Ju)的(De)出(Chu)现(Xian)，(?)改(Gai)变(Bian)了(Liao)人(Ren)类(Lei)生(Sheng)产(Chan)的(De)方(Fang)式(Shi)

随(Sui)着(Zhuo)科(Ke)技(Ji)不(Bu)断(Duan)的(De)进(Jin)步(Bu)，(?)涌(Yong)现(Xian)出(Chu)越(Yue)来(Lai)越(Yue)多(Duo)的(De)电(Dian)动(Dong)工(Gong)具(Ju)用(Yong)来(Lai)提(Ti)高(Gao)工(Gong)作(Zuo)效(Xiao)率(Lu)和(He)替(Ti)代(Dai)繁(Fan)重(Zhong)的(De)体(Ti)力(Li)活(Huo)，(?)毫(Hao)不(Bu)夸(Kua)张(Zhang)的(De)说(Shuo)动(Dong)力(Li)工(Gong)具(Ju)的(De)出(Chu)现(Xian)改(Gai)变(Bian)了(Liao)世(Shi)界(Jie)的(De)面(Mian)貌(Mao)。(?)工(Gong)具(Ju)是(Shi)赋(Fu)予(Yu)人(Ren)类(Lei)机(Ji)械(Xie)优(You)势(Shi)的(De)器(Qi)具(Ju)。(?)在(Zai)动(Dong)物(Wu)世(Shi)界(Jie)里(Li)其(Qi)中(Zhong)有(You)很(Hen)多(Duo)鸟(Niao)类(Lei)、(?)和(He)灵(Ling)长(Chang)类(Lei)动(Dong)物(Wu)也(Ye)会(Hui)使(Shi)用(Yong)工(Gong)具(Ju)，(?)但(Dan)是(Shi)有(You)一(Yi)样(Yang)东(Dong)西(Xi)使(Shi)我(Wo)们(Men)有(You)别(Bie)于(Yu)它(Ta)们(Men)，(?)那(Na)就(Jiu)是(Shi)力(Li)量(Liang)。(?)与(Yu)动(Dong)物(Wu)界(Jie)中(Zhong)其(Qi)他(Ta)动(Dong)物(Wu)不(Bu)同(Tong)的(De)是(Shi)，(?)我(Wo)们(Men)人(Ren)类(Lei)不(Bu)止(Zhi)依(Yi)靠(Kao)身(Shen)体(Ti)的(De)力(Li)量(Liang)，(?)而(?)是(Shi)可(Ke)以(Yi)通(Tong)过(Guo)其(Qi)它(Ta)能(Neng)源(Yuan)来(Lai)驱(Qu)动(Dong)工(Gong)具(Ju)。(?)

VIEW MORE →(?)

2019-05-08

电(Dian)动(Dong)工(Gong)具(Ju)的(De)应(Ying)用(Yong)和(He)未(Wei)来(Lai)发(Fa)展(Zhan)方(Fang)向(Xiang)浅(Qian)析(Xi)

做(Zuo)电(Dian)动(Dong)工(Gong)具(Ju)行(Xing)业(Ye)的(De)或(Huo)是(Shi)从(Cong)事(Shi)电(Dian)动(Dong)行(Xing)业(Ye)的(De)人(Ren)，(?)都(Du)是(Shi)知(Zhi)道(Dao)电(Dian)动(Dong)工(Gong)具(Ju)行(Xing)业(Ye)的(De)应(Ying)用(Yong)领(Ling)域(Yu)和(He)行(Xing)业(Ye)状(Zhuang)态(Tai)的(De)，(?)我(Wo)们(Men)是(Shi)科(Ke)普(Pu)一(Yi)下(Xia)电(Dian)动(Dong)工(Gong)具(Ju)的(De)应(Ying)用(Yong)领(Ling)域(Yu)和(He)行(Xing)业(Ye)状(Zhuang)态(Tai)，(?)是(Shi)为(Wei)了(Liao)让(Rang)更(Geng)多(Duo)的(De)人(Ren)多(Duo)认(Ren)识(Shi)和(He)了(Liao)解(Jie)这(Zhe)个(Ge)行(Xing)业(Ye)。(?)

VIEW MORE →(?)

2019-05-08

如(Ru)何(He)选(Xuan)购(Gou)电(Dian)动(Dong)工(Gong)具(Ju) 电(Dian)动(Dong)工(Gong)具(Ju)选(Xuan)购(Gou)技(Ji)巧(Qiao)介(Jie)绍(Shao)

1)首(Shou)先(Xian)要(Yao)根(Gen)据(Ju)自(Zi)己(Ji)的(De)需(Xu)求(Qiu)，(?)区(Qu)别(Bie)是(Shi)在(Zai)家(Jia)庭(Ting)用(Yong)还(Huan)是(Shi)专(Zhuan)业(Ye)用(Yong)，(?)通(Tong)常(Chang)专(Zhuan)业(Ye)用(Yong)电(Dian)动(Dong)工(Gong)具(Ju)与(Yu)一(Yi)般(Ban)家(Jia)庭(Ting)用(Yong)电(Dian)动(Dong)工(Gong)具(Ju)的(De)差(Cha)别(Bie)主(Zhu)要(Yao)在(Zai)功(Gong)率(Lu)上(Shang)，(?)专(Zhuan)业(Ye)用(Yong)的(De)电(Dian)动(Dong)工(Gong)具(Ju)功(Gong)率(Lu)较(Jiao)大(Da)，(?)一(Yi)般(Ban)家(Jia)庭(Ting)用(Yong)的(De)工(Gong)具(Ju)功(Gong)率(Lu)较(Jiao)小(Xiao)，(?)输(Shu)入(Ru)功(Gong)率(Lu)也(Ye)小(Xiao)小(Xiao)巧(Qiao)的(De)体(Ti)积(Ji)，(?)高(Gao)集(Ji)成(Cheng)化(Hua)的(De)电(Dian)动(Dong)工(Gong)具(Ju)在(Zai)使(Shi)用(Yong)便(Bian)捷(Jie)性(Xing)上(Shang)高(Gao)于(Yu)体(Ti)积(Ji)大(Da)，(?)功(Gong)能(Neng)单(Dan)一(Yi)的(De)产(Chan)品(Pin)。(?)因(Yin)此(Ci)尽(Jin)量(Liang)选(Xuan)择(Ze)功(Gong)能(Neng)丰(Feng)富(Fu)，(?)体(Ti)积(Ji)小(Xiao)巧(Qiao)，(?)结(Jie)构(Gou)简(Jian)单(Dan)，(?)容(Rong)易(Yi)收(Shou)纳(Na)的(De)电(Dian)动(Dong)工(Gong)具(Ju)选(Xuan)购(Gou)电(Dian)动(Dong)工(Gong)具(Ju)时(Shi)，(?)需(Xu)要(Yao)选(Xuan)购(Gou)外(Wai)包(Bao)装(Zhuang)国(Guo)案(An)清(Qing)晰(Xi)，(?)没(Mei)有(You)破(Po)损(Sun)的(De)电(Dian)动(Dong)工(Gong)具(Ju)选(Xuan)购(Gou)的(De)电(Dian)动(Dong)工(Gong)具(Ju)外(Wai)观(Guan)正(Zheng)常(Chang)，(?)塑(Su)料(Liao)件(Jian)完(Wan)整(Zheng)，(?)没(Mei)有(You)明(Ming)显(Xian)影(Ying)丝(Si)和(He)凹(Ao)痕(Hen)，(?)没(Mei)有(You)划(Hua)痕(Hen)或(Huo)磕(Ke)碰(Peng)痕(Hen)迹(Ji)，(?)相(Xiang)关(Guan)涂(Tu)料(Liao)光(Guang)滑(Hua)美(Mei)观(Guan)不(Bu)有(You)缺(Que)损(Sun)，(?)整(Zheng)机(Ji)表(Biao)面(Mian)没(Mei)有(You)油(You)污(Wu)和(He)污(Wu)渍(Zi)，(?)开(Kai)关(Guan)的(De)手(Shou)柄(Bing)平(Ping)整(Zheng)，(?)电(Dian)线(Xian)电(Dian)缆(Lan)长(Chang)度(Du)一(Yi)般(Ban)不(Bu)不(Bu)于(Yu)2M电(Dian)动(Dong)工(Gong)具(Ju)有(You)关(Guan)标(Biao)志(Zhi)清(Qing)晰(Xi)，(?)完(Wan)整(Zheng)，(?)参(Can)数(Shu)，(?)厂(Chang)家(Jia)，(?)合(He)格(Ge)证(Zheng)等(Deng)均(Jun)具(Ju)备(Bei)手(Shou)握(Wo)持(Chi)工(Gong)具(Ju)，(?)接(Jie)通(Tong)电(Dian)源(Yuan)，(?)频(Pin)繁(Fan)操(Cao)动(Dong)开(Kai)关(Guan)，(?)使(Shi)工(Gong)具(Ju)频(Pin)繁(Fan)起(Qi)动(Dong)，(?)观(Guan)察(Cha)工(Gong)具(Ju)开(Kai)关(Guan)的(De)通(Tong)断(Duan)功(Gong)能(Neng)是(Shi)否(Fou)可(Ke)靠(Kao)，(?)是(Shi)否(Fou)影(Ying)响(Xiang)现(Xian)场(Chang)的(De)电(Dian)视(Shi)机(Ji)/荧(Ying)光(Guang)灯(Deng)等(Deng)，(?)从(Cong)而(?)判(Pan)断(Duan)工(Gong)具(Ju)是(Shi)否(Fou)装(Zhuang)有(You)抗(Kang)干(Gan)扰(Rao)抑(Yi)制(Zhi)器(Qi)电(Dian)动(Dong)工(Gong)具(Ju)通(Tong)电(Dian)运(Yun)行(Xing)1分(Fen)钟(Zhong)，(?)感(Gan)觉(Jue)振(Zhen)动(Dong)情(Qing)况(Kuang)与(Yu)观(Guan)察(Cha)换(Huan)向(Xiang)火(Huo)花(Hua)，(?)进(Jin)风(Feng)口(Kou)处(Chu)等(Deng)是(Shi)否(Fou)正(Zheng)常(Chang)。(?)

VIEW MORE →(?)

2023-05-29

使(Shi)用(Yong)手(Shou)持(Chi)式(Shi)电(Dian)动(Dong)工(Gong)具(Ju)的(De)注(Zhu)意(Yi)事(Shi)项(Xiang)

I类(Lei)工(Gong)具(Ju)的(De)电(Dian)源(Yuan)线(Xian)须(Xu)采(Cai)用(Yong)三(San)芯(Xin)(单(Dan)相(Xiang)工(Gong)具(Ju))或(Huo)四(Si)芯(Xin)(三(San)相(Xiang)工(Gong)具(Ju))多(Duo)股(Gu)铜(Tong)芯(Xin)橡(Xiang)皮(Pi)护(Hu)套(Tao)线(Xian)，(?)其(Qi)中(Zhong)黄(Huang)绿(Lu)双(Shuang)色(Se)线(Xian)在(Zai)任(Ren)何(He)情(Qing)况(Kuang)下(Xia)都(Du)只(Zhi)能(Neng)用(Yong)作(Zuo)保(Bao)护(Hu)接(Jie)地(Di)或(Huo)接(Jie)零(Ling)线(Xian)。(?)

VIEW MORE →(?)

2023-05-29

手(Shou)持(Chi)式(Shi)电(Dian)动(Dong)工(Gong)具(Ju)的(De)使(Shi)用(Yong)场(Chang)所(Suo)

空(Kong)气(Qi)湿(Shi)度(Du)小(Xiao)于(Yu)75%的(De)一(Yi)般(Ban)场(Chang)所(Suo)可(Ke)选(Xuan)用(Yong)I类(Lei)或(Huo)II类(Lei)手(Shou)持(Chi)式(Shi)电(Dian)动(Dong)工(Gong)具(Ju)，(?)其(Qi)金(Jin)属(Shu)外(Wai)壳(Ke)与(Yu)PE线(Xian)的(De)连(Lian)接(Jie)点(Dian)不(Bu)得(De)少(Shao)于(Yu)2个(Ge);除(Chu)塑(Su)料(Liao)外(Wai)壳(Ke)II类(Lei)工(Gong)具(Ju)外(Wai)，(?)相(Xiang)关(Guan)开(Kai)关(Guan)箱(Xiang)中(Zhong)漏(Lou)电(Dian)保(Bao)护(Hu)器(Qi)的(De)额(E)定(Ding)漏(Lou)电(Dian)动(Dong)作(Zuo)电(Dian)流(Liu)不(Bu)应(Ying)大(Da)于(Yu)15mA，(?)额(E)定(Ding)漏(Lou)电(Dian)动(Dong)作(Zuo)时(Shi)间(Jian)不(Bu)应(Ying)大(Da)于(Yu)0.1s，(?)其(Qi)负(Fu)荷(He)线(Xian)插(Cha)头(Tou)应(Ying)具(Ju)备(Bei)专(Zhuan)门(Men)用(Yong)的(De)保(Bao)护(Hu)触(Chu)头(Tou)。(?)所(Suo)用(Yong)插(Cha)座(Zuo)和(He)和(He)插(Cha)头(Tou)在(Zai)结(Jie)构(Gou)上(Shang)应(Ying)保(Bao)持(Chi)一(Yi)致(Zhi)，(?)避(Bi)免(Mian)导(Dao)电(Dian)触(Chu)头(Tou)和(He)保(Bao)护(Hu)触(Chu)头(Tou)混(Hun)用(Yong)。(?)

VIEW MORE →(?)

2023-05-29

电(Dian)动(Dong)工(Gong)具(Ju)的(De)工(Gong)作(Zuo)原(Yuan)理(Li)

电(Dian)动(Dong)机(Ji)因(Yin)输(Shu)入(Ru)的(De)电(Dian)流(Liu)不(Bu)同(Tong)，(?)可(Ke)分(Fen)为(Wei)直(Zhi)流(Liu)电(Dian)动(Dong)机(Ji)与(Yu)交(Jiao)流(Liu)电(Dian)动(Dong)机(Ji)：(?)

VIEW MORE →(?)