吹气装置的英文：
pneumatic ejector

pneumatic是什么意思：
adj. 充气的；气动的，风动的
n. 气胎

I need a pneumatic tyre.
我需要一个充气轮胎。

Do you have pneumatic tyres?
你有没有充气轮胎？

Light kernels may be removed by a pneumatic or air seperator
轻的粒籽可以通过空气动力，即气流分选机清理出来。

pneumatic conveying requires comparatively high gas velocities
气力输送需要比较高的气体速度。

Have you heard the sound of a pneumatic drill hammering away?
你有没有听到风钻钻个不停的轰鸣声？

ejector是什么意思：
n. 驱逐者,排出器,放出器

Components of injection mould for plastics--Ejector plates
塑料注射模具零件推板

Retraction of forwarded ejector either by timer or door closing
由定时器或关门控制向前顶出

Components of injection mould for plastics--Ejector pins
塑料注射模具零件推杆

An auxiliary ejector with as little blockage in the ducting as possible is placed behind the inlet of the diffuser duct
一个辅助引射器，在通道中要以尽可能小的堵塞面积布置在扩压器进口之后。

Many of the difficulties just described are avoided by the use of an auxiliary ejector and an engine exhaust diffuser which are placed in tandem
利用直列放置的发动机排气扩压器和辅助引射器，可以避免上述许多困难。