漏电保护器是选煤厂用电的必要装置。
The earth leakage protection device is the necessary device for coal preparation factory.
其中有一种是专门保护人的，称为漏电保护器。
One of these protectors is specifically used to protect people.
电气实训室的漏电保护器是防止人身触电的有效措施。
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。
The leakage protector in electrical training room is an effective measure to prevent physical shock.
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