steam siren

An instrument fitted with steam whistles, played from a keyboard.

汽笛风琴一种配有蒸汽汽笛的乐器，通过键盘演奏

the whistle of a steam engine

蒸汽发动机的汽笛声.

a steam brake,whistle,winch,etc,ie worked by steam

蒸汽制动器、汽笛、汽动绞车

internal admission

(蒸汽机) 内进汽

"Hook, Line & Sinker"

"汽笛,电线与铅锤"

steam-electric generating station

蒸汽发电厂，蒸汽电站

The engine has got up steam

蒸汽机积聚了蒸汽。

The expansion of the steam in the cylinder causes some of the steam to condense. (=When the steam expands in the cylinder some of the steam condenses.)

蒸汽在汽缸中膨胀时，部分蒸汽冷凝。

Steam cylinder oi

GB/T447-1994蒸汽汽缸油

SR cylinder oil

直接蒸汽拔头汽缸油

The policeman whistled for the motorcar to stop.

警察吹警笛令汽车停下。

Stop work when the whistle blows.

汽笛一响就停止工作。

A piercing blast from the steam whistle.

汽笛发出尖锐的响声

Whistles blew, and the train started.

汽笛鸣响，火车开动了。

a shrill cry, whistle

尖叫声、 刺耳的汽笛声

The hooter went for the workers to stop work.

工人下班的汽笛响了。

The boat tooted its whistle in salutation.

那条船鸣汽笛致意。

It must be about time for the whistle to Blow .

是到了鸣汽笛的时候了。