内外螺纹只有当()等五要素完全相同时,才能旋合在一起。
参考答案:牙型;直径;线数;螺距;旋向
Complete the sentences.(根据提示补全单词,完成句子)
1. We often have lu ______ch in the ca______.
2. We play f ______ tb ______ll on the pl ______.
3. Look ! There are so many flowers in the g ______ n.
4. — Where is the. canteen? — It's on the f ______ t floor.
根据湖北实际,实现立法项目和司法的最优化是最紧迫的。