On a turbo-charged, medium-speed diesel engine, which of the following problems is an indication of a restricted air intake passage?()
A. Engine is hard to start
B. Engine misses
C. Surges at governed RPM
D. Coolant temperature is too low
查看答案
为了方便()和减少加工程序的执行时间,参考点应设在靠近工件的地方,在换刀前让刀架先退出一段距离以便刀架转位,转位完毕后,再按相同距离返回。
A. 读写
B. 编程
C. 测试
D. 检查