unified national coarse造句

例句与造句

1. For example,-13 belongs to the UNC series ( Unified National Coarse ) and-20 belongs to the UNF series ( Unified National Fine ).
2. A screw thread has a number of dimensions required to assure proper function but is referred to by a nominal size and a thread design family, for example " inch, 20 threads per inch, Unified National Coarse ."
3. The Unified Thread Standard uses the term UNC ( Unified National Coarse ) to describe a fastener that previously would have been designated USS and the Unified Thread Standard uses the term UNF ( Unified National Fine ) to describe a fastener that would have previously been designated SAE.
4. It's difficult to find unified national coarse in a sentence. 用unified national coarse造句挺难的