cast iron propeller 铸铁螺旋桨
built up cast iron propeller 建造铸铁螺旋桨
iron propeller
铁螺旋桨
以上为机器翻译结果，长、整句建议使用 人工翻译 。
But this propeller-driven aircraft is bright white with a black iron cross and the red,yellow,and black flag of the German Luftwaffe on its side.
VOA: standard.2010.07.27
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