单项选择题
A.sea valve chest, sect valve, thruster B.bilge motherboard, steering and the shaft system C.sea water system D.fresh water system
We should apply for annual spare parts according to（） Ⅰ...
We should apply for annual spare parts according to（） Ⅰ.he need of annual overhaul Ⅱ.he storage of spare parts Ⅲ.he storage capacity of spare parts room
A.Ⅰ B.Ⅱ C.Ⅰ+Ⅱ D.Ⅲ
If the ordered spare parts have been modified by manufa...
单项选择题If the ordered spare parts have been modified by manufacturer, which of the following should be pay attention to?（）
A.quality B.reliability C.price fluctuating D.applicability
When replacing a part with a spare one, we should fill ...
单项选择题When replacing a part with a spare one, we should fill in tile spare parts consume table in time and make a mark in brief for （）
A.the reason of replacing B.the course of replacing C.crews who do this work D.where and when the replacing being done
