蜗杆

[wō gǎn]
na.
1.
【机】worm; endless screw

例句

释义:
类别:全部全部,口语口语,书面语书面语,标题标题,技术技术
来源:全部全部,字典字典,网络网络
难度:全部全部,简单简单,中等中等,
5.
The ballscrew nut has two grease fittings. It is only necessary to lubricate one of them.