电磁阀一般流通系数很小，而且工作压力差很小。

Solenoid valve flow coefficient generally small, and the work of a very small pressure difference.

youdao

电磁阀一般流通系数很小，而且工作压力差很小。

Solenoid valve flow coefficient generally small, and the work of a very small pressure difference.

youdao