螺旋桨

The timing of the gun was precisely synchronized with the turning of the plane’s propeller.

风门调速与飞机旋桨精确同步。

The propeller started to spin around.

旋桨开始飞快地旋起来。

First came the turbojet, now obsolete, then the turboprop, which is still found onboard small planes.

最开始引擎是涡轮喷射式，目前已淘汰；然后是涡轮旋桨式引擎，现在仍在小飞机上看到。

The ship's screw stopped.

那船旋桨停止了。

13958681890 This ship shall be of all steel welded construction with one continuous deck, bulbous stern, bulbous bow, single propeller, single rudder, forecastle, poop, and of stern-engined type.

船型及用途SHIPFORM AND PURPOSE 本船为钢质全焊接结构、单甲板、尾机型、，单桨、单舵，由柴油机旋桨推进散货船，具有球尾和球鼻首线型。