The new motor-driven devices of valve based on analyses above have been successfully used in industry production.

基于上述分析而重新设计的阀门电动装置已成功用于工业生产。

youdao

The new motor-driven devices of valve based on analyses above have been successfully used in industry production.

基于上述分析而重新设计的阀门电动装置已成功用于工业生产。

youdao