To avoid electrical shock hazards, never operate the sewing machine with the ground wire for the power supply removed.
为了防止触电事故，卸下电源地线的状态，请不要运转缝纫机。 收藏。
To avoid electrical shock hazards, neither open the cover of the electrical box for the motor nor touch the components mounted inside the electrical box.
为了防止发生触电事故，请不要在打开电源的状态下，打开电气箱盖以及触摸电气箱内的零件。
Keithley products are intended for use by qualified personnel who recognize shock hazards and are familiar with the safety precautions required to avoid possible injury.
Keithley产品的用户应该具有合格资质，了解电击危险，熟悉避免可能伤害的安全防范要求。
The secondary hazards of an earthquake generally mean a series of other hazards due, directly or indirectly, to the consequences of a strong shock, being very common and serious of earthquake hazards.
地震次生灾害一般指地震强烈震动后，以震动的直接或间接破坏后果为导因而引起的一系列其他灾害。
Methods The medical electrical equipment's shock hazard, mechanical hazards and hazards caused by improper use was analyzed.
方法对医用电气设备在电击危害、机械危害以及使用不当引起的危害进行分析。
Abstract: The open-air explosion hazards are seismic effect, blasting individual flying rocks, blasting toxic gases, explosive air shock wave and noise hazards.
摘要：露天爆破的危害有爆破地震效应、爆破个别飞石、爆破有毒气体、爆炸空气冲击波和噪声等危害。
The open-air explosion hazards are seismic effect, blasting individual flying rocks, blasting toxic gases, explosive air shock wave and noise hazards.
露天爆破的危害有爆破地震效应、爆破个别飞石、爆破有毒气体、爆炸空气冲击波和噪声等危害。
The open-air explosion hazards are seismic effect, blasting individual flying rocks, blasting toxic gases, explosive air shock wave and noise hazards.
露天爆破的危害有爆破地震效应、爆破个别飞石、爆破有毒气体、爆炸空气冲击波和噪声等危害。
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