[船] marine propeller
螺旋桨 marine propeller船用螺旋桨 controllable pitch propeller可调螺距螺旋桨;可变螺距螺旋桨;调距螺旋桨;可掂螺旋桨 ..
[船] marine screw propeller
... marine scientific research 海洋科学研究 marine screw propeller 船用螺旋桨 marine screw type condensing unit 船用螺杆式冷凝装置 ...
ship propeller
... power station 船舶电站 ship propeller 船用螺旋桨 ship propeller 船用推进器 ...
marine screw
... marine screw type refrigerating compressor unit 船用螺杆式制冷压缩机组 marine screw 船用螺旋桨 marine searchlight 船用探照灯 ...
marine screw propeller
船用螺旋桨 marine screw propeller