If a longer time out, it should be made to pump from the Wells to carry out maintenance, rust, coating for oil and parts, after assembly storage preservation.
如果停用的时间较长，就应把水泵从井中提出来，进行维修、除锈、涂油及换件，组装后入库保存。
If a longer time out, it should be made to pump from the Wells to carry out maintenance, rust, coating for oil and parts, after assembly storage preservation.
如果停用的时间较长，就应把水泵从井中提出来，进行维修、除锈、涂油及换件，组装后入库保存。
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