Springs in fuel injectors will become no
2024-03-14 199次 海船船员 反馈错误 加入收藏 正确率 : 100%
题目内容:
[单选题]Springs in fuel injectors will become not strong enough to work because______.
A.the injector opens at a lower pressure than designed
B.the needle valve and seat wear out
C.the nozzle holes wear out
D.long time in use
本题链接: