The calculation method and performance provide important basis for full use of the piston wind.

活塞风的计算方法和特性为活塞风的充分利用提供了重要依据。

youdao

The calculation method and performance provide important basis for full use of the piston wind.

活塞风的计算方法和特性为活塞风的充分利用提供了重要依据。

youdao