Springs in fuel injectors will become not strong e
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
请帮忙给出正确答案和分析，谢谢！
参考解答
427***780
2024-06-14 23:14:14
正确答案：D
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