streamline shape造句怎么写
- 造句
- 关注:3.07W次
The inside of the streamline shape head part of the closed type drain tube is provided with the positioning groove of the guide steel needle.
The triangular arrowhead takes a streamline shape, with barbs for piercing.
Featuring streamline shape and filled with lead, the free-fall opening plug can quickly free-fall to the lower sliding sleeve.
- 文章版权属于文章作者所有,转载请注明 https://zhongwengu.com/zh-cn/sentence/jke1wq.html