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 small explosion-proof electric appliance outer covering guards against the explosion of the important parts in the electric equipment.
小型防爆电器外壳是防爆电器设备中重要的防爆部件，其品质状态直接关系到厂矿企业的生产安全。
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