The duty of the plugman was to watch the engine and to see that it kept well in work, and that the pumps were efficient in drawing the water.
电源操作工的责任就是看护发
，
发运行完好和水泵有效抽水。
The duty of the plugman was to watch the engine and to see that it kept well in work, and that the pumps were efficient in drawing the water.
电源操作工的责任就是看护发，发运行完好和水泵有效抽水。
声
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