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
的责任就是看护发动机，确保发动机运行完好和
泵有效抽。
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.
电源操作的责任就是看护发动机，确保发动机运行完好和泵有效抽。
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