Installation of pumps in the region of the explosion, according to the explosion regional levels, using the corresponding explosion-proof motor.
安装在爆炸区域的泵，应根据爆炸区域等级，采用相应的防爆电动机。
Installation of pumps in the region of the explosion, according to the explosion regional levels, using the corresponding explosion-proof motor.
安装在爆炸区域的泵，应根据爆炸区域等级，采用相应的防爆电动机。
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