单头螺纹蜗杆的英文

single start worm

single thread worm

single threaded worm

single-start worm

+更多解释...

single-threaded worm

• 单:    singular number fa ...
• 头:    5点就得动身 have to sta ...
• 螺纹:    screw thread; flig ...
• 蜗杆:    worm; endless scre ...