求翻译：即便是在空转，液压泵内照样会有油在轮回并耗费燃料。假设1天10小时的功课工夫中有1小时是在空转，那么，假如能避免空转，则每月可节流约20声、每年可节流约230升的燃料。所以，在日常装车或发掘进程中，半途可以较长工夫停机的时分，尽量不要开着发掘机怠速“等候”，要劳逸连系、愈加省油，这是发掘机省油窍门之一是什么意思？

Even idling, still there will be oil in the hydraulic pump in the cycle and spent fuel. Assumptions 1 day 10 hours of homework effort, one hour in idle, then, if it can avoid idling, the monthly throttle about 20 sound throttle about 230 liters of fuel per year. Therefore, the daily loading or excav