感電危害預防

  Рет қаралды 33,431

勞動部, 職業安全衛生署OSHA (勞動部職業安全衛生署)

勞動部, 職業安全衛生署OSHA (勞動部職業安全衛生署)

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@fish3932000
@fish3932000 2 жыл бұрын
好像有一些要調整的地方，例如影片中的電焊機看起來像是直流式電焊機，形式驗證應該是針對交流電焊機的自動電擊防止裝置，而不是電焊機
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中国首部真实贪官影像资料，最大胆的纪录片，完整记录贪腐全过程！
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He was kicked down by Fei Shen at the beginning! Stand up and kick your opponent #fighting #sports
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勇闯非洲最大垃圾城，遭遇恶霸拦路，难怪当地人都不敢来！
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