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
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相关考题
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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 -
单项选择题
Why the cooling water of the diesel engine should be treated? Because the（）
A.Cooling water is alkalescence
B.cooling water is acidity
C.cooling water has salinity
D.cooling water has impurity -
单项选择题
The cooling water of the diesel engine should be treated, because it has（）
A.alkale scence
B.acidity
C.salinity
D.impurity
