... outer propellers 外侧螺旋桨 twin propellers 双螺桨 Two controllable pitch propellers 两具可操纵倾斜螺旋推进器 ...
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双螺桨船 twin screw ship ; twin screw vessel
双叶螺桨 two bladed propeller
双螺旋桨的 twinpropeller ; twin-screw
双螺旋桨船 twin screw ; twin-screw ship ; twin-screw vessel
双脚螺桨支架 two-leg propeller strut
双叶螺旋桨 two blade propeller
双螺旋桨内燃机船 twin screw motor vessel ; twin-screw motor ship ; screw motor ship
双螺旋桨双头螺纹 doublescrew
双螺旋桨蒸汽机船 twin-screw steamer
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