single-threaded worm

机械工程英语... ... 单级离心泵 single-stage centrifugal pump 单纹蜗杆 single-threaded worm 单纹螺杆 single-threaded-screw ...

threa... ... single-threaded screw 单螺纹，单头螺纹螺钉 single-threaded worm 单头螺纹蜗杆 annular threaded nail 环形螺纹钉 ...

? kinematics of... ... single planetary gear train 单级行星轮系 single-threaded worm 单头蜗杆 sinter 烧结物，熔渣，使烧结 ...