Workers who remove the metals often have no protective equipment and breathe in high levels of toxic chemicals, which are then released into the atmosphere.
工人经常是在没有保护设施的情况下做清除金属的工作，吸进高度有毒的化学物质，这些化学物质又被排放到空气中。
Electrical equipment or parts of electrical equipment are immersed in a protective liquid in such a way that an explosive atmosphere above the surface of outside the enclosure cannot be? Ignited.
将电气设备的部件整个浸在保护液中，使设备不能够点燃液面上或外壳外面的爆炸性气体。
Electrical equipment or parts of electrical equipment are immersed in a protective liquid in such a way that an explosive atmosphere above the surface of outside the enclosure cannot be? Ignited.
将电气设备的部件整个浸在保护液中，使设备不能够点燃液面上或外壳外面的爆炸性气体。
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