无毒无爆炸危险的环境 safe atmosphere
一般情况下,无爆炸危险,但仍应适当通风,以改善施工环境。
This paint is not dangerous of explosion in general, but ventilation is necessary for a good application condition.
断路器应安装在无爆炸危险和无导电尘埃、 无足以腐蚀金属和破坏绝缘的地方;
There must be not any explosive medium, and there must be not any gas which would corrode metal or any conducting dust which would destory the insulation;
电接点压力表适用于测量对铜及铜合金无腐蚀、无爆炸危险、非结晶的各种液体、气体等介质的压力。
USE: Electric- contact pressure gauges are used for measuring positive and negative pressure of liquids and gases which are nor corrosive to copper and copper alloy and not explosive and crystal.
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