We run the main products include: drive transmission, hydraulic pneumatic components, automation components and so on.

我们经营的主要产品包括：驱动传动系统，液压气动部件，自动化元器件等。

youdao

Today we shall discuss the question of hydraulic (pneumatic) test.

今天我们将接头水压、(气压)试验问题。

youdao

The driving type is manual, worm gear, electric, electric hydraulic, pneumatic, automatic adjusting etc, which satisfies different process requirement.

驱动形式多样，设有手动、蜗轮传动、电动、电液动、气动、自动调节等，充分满足不同工艺的需求。

youdao

It would rely more on electricity to run its systems than existing planes, which used hydraulic and pneumatic power.

WSJ: Boeing Shows How Innovation Can Be Messy