螺纹传动装置 螺旋齿轮 压下装置的英文

screwgear

• 螺纹:    screw thread; flig ...
• 传动装置:    transmission; gear ...
• 螺旋齿轮:    cross helical gear ...
• 压:    press; push down; ...
• 下:    below; down; under ...
• 装置:    installation; devi ...