 |
| |||
| master control (是控制住一种或多种样件量规所用的尺寸方面的最高权威依据，取代了样件量规面作为最高的权威依据。有两个作用:①用以制造和控制某一样件量规或若干个复制的样件量规; ②为了防备某一个或几个样件量规由于可能发生的损坏而失去控制尺寸的依据) | |||
| |||
| master control | |||
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips