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动机，确保发动机运行完好和
有效抽。
工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动机，确保发动机运行完好和有效抽。
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