double throw crankshaft

机械词汇的英... ... double threaded screw 双纹螺钉 double throw crankshaft 双弯曲柄 double u butt groove weld 双u形对接焊 ...

游艇专... ... 701 双纹螺钉 double threaded screw 702 双拐曲柄轴 double throw crankshaft 703 双投开关 double throw switch ...

航海及海运专业英语... ... double threaded screw 双纹螺丝 double throw crankshaft 双联曲柄轴 double throw switch 双掷开关 ...