正确答案: D
5年
题目:轴与桨法兰连接者或无键连接者,检验间隔期为()。
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学习资料的答案和解析:
[单选题]轴系中心线产生同轴度偏差主要是由于()造成。
艉轴承过度磨损
[单选题]更换艉轴承填料时的注意事项中不包括()。
D.按要求依次上紧压盖螺母
[单选题]桨叶平均螺距为桨叶上各半径截面的()的算术平均值。
截面螺距
[单选题]Valve overlap is the period during which ().
both valves are ope
[单选题]In diesel engines designed with a crosshead, the motion of the piston rod can be described as ().
straight reciprocation
[单选题]Combustion knock occurring in a diesel engine can be caused by ().
prolonged ignition lag