同时要求现场存有充足的设备零部件，以减少例行的、预计的设备修理和维修上的时间损失。
Also it is expected that sufficient equipment spare parts will be stocked on location to minimize time lost on routine, predictable equipment repairs and maintenance.
不管修理什么东西，都会花掉比你预计的要多的时间和金钱。
Anything you try to fix will take longer and cost you more than you thought.
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