The lift is part of common failures occur can be classified according to mechanical failure and electrical failure two kinds.
电梯常见故障按照发生部位来说可分为机械故障和电气故障两种。
The lift is part of common failures occur can be classified according to mechanical failure and electrical failure two kinds.
电梯常见故障按照发生部位来说可分为机械故障和电气故障两种。
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