单螺旋桨 meaning in Chinese

single screw

Screw shipscrew steamer
单螺旋桨船
The first modern torpedo ( 1866 ) carried an 18 - lb ( 8 - kg ) charge of dynamite in its nose and was powered by a compressed - air engine driving a single propeller ; its range was 200 - 700 yards ( 180 - 640 m )
第一枚现代鱼雷( 1866 )在其头部装载了8公斤的炸药，并用压缩空气发动机带动单螺旋桨推进;射程为180 640公尺。