英和和英

a ventilator

a detonator

a steam fire-engine

a steam pump

a steam-pump

a shaft for ventilation

Tighten valve

an engine valve called a slide valve

a vacuum-tube

a shutoff valve

a flowing eloquence

a step-up transformer with an air core

a passionate speech

a fiery speech

a pneumatic pump

flowing eloquence

a check valve at the lower end of a suction pipe, called foot valve

a pneumatic pump

hydraulic draft gear

a device that produces a current of air

deliver a harangue to

corona discharge

jet propulsion

to cultivate eloquence―practise speaking

to cultivate eloquence

to put forth one's eloquence―exert one's oratorical powers―speechify―declaim―harangue―rant―spout―hold forth―make oneself heard

a valve for adjusting the amount of flowing water

rhapsodize about

to exert one's eloquence

relieving hydraulic pressure