一种双弹簧、双线圈式电磁气门驱动系统可以有效地解决以上问题。

A kind of dual spring and dual coil electromagnetic drive system can solve the above problems.

youdao

一种双弹簧、双线圈式电磁气门驱动系统可以有效地解决以上问题。

A kind of dual spring and dual coil electromagnetic drive system can solve the above problems.

youdao