传统的柴油机喷油器针阀升程测量方式多为接触式。

Traditionally, the way to measure the needle displacement of oil injector is of contact pattern.

youdao

传统的柴油机喷油器针阀升程测量方式多为接触式。

Traditionally, the way to measure the needle displacement of oil injector is of contact pattern.

youdao