工作场所内的电气线路应采用钢管布线，电气设备选用防爆型的。
The electric circuit in the work location should use steel-pipe laying wire and select explosion-proof electrical equipment.
工作场所内的电气线路应采用钢管布线，电气设备选用防爆型的。
The electric circuit in the work location should use steel-pipe laying wire and select explosion-proof electrical equipment.
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