operating bellows造句

A mechanically operated bellows injects a jet of air into the first chamber where ignition will take place.
And this technology would presumably have been more cost-effective because it did not require many people operating bellows.
The keys of an accordion direct the air flow from a manually operated bellows across various tuned vibrating reeds.
A hand-operated bellow ( or what should I call that ), like the one photographers use, might be handy.
Today, Detachment One, 15th Mission Support Group presently operates Bellows AFS as a rest area for military families from all over the Pacific.
It's difficult to find operating bellows in a sentence. 用operating bellows造句挺难的

The surname " Blower " ( sometimes " Blowers " or " Blow " ) referred to a worker who operated bellows, normally in smithies.
In 1947, the costs to operate Bellows as an active Air National Guard station led the Territorial government to negotiate with the Army about its future.
It included tube intubation supplied by a foot operated bellows and procedure for the insertion and extraction of the tube down the patients trachea, using specially designed instruments.
The Han Dynasty Chinese mechanical engineer Du Shi ( d . 38 ) is credited with being the first to apply hydraulic power, through a waterwheel, to operate bellows in metallurgy.
As their upkeep was costly they were left to decay and were soon forgotten; by 1920 not one survived ( the so-called water organ at Hellbrunn Castle, Salzburg, is a pneumatic organ driven by hydraulically operated bellows ).