The composition, function, principle and application of pump complete testing system design were introduced primarily.

介绍了水泵测试系统成套设计的构成、功能、原理及应用。

youdao

The composition, function, principle and application of pump complete testing system design were introduced primarily.

介绍了水泵测试系统成套设计的构成、功能、原理及应用。

youdao