The leakage protector in electrical training room is an effective measure to prevent physical shock.
电气实训室的漏电保护器是防止人身触电的有效措施。
Engine room machinery and equipment, electrical and automatic machinery.
机房机械设备，电器及自动化机械。
Engine room machinery and equipment, electrical and automatic machinery.
机房机械设备，电器及自动化机械。
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