 |
| |||
| 〔支〕钻孔导向垫板; 钻孔导向垫板 (隔垫在工件或组合件的相邻两弯边的垫板，具有引导钻头的结构。起保证平行的作用，通常先以一弯边钻好的孔作为垫板定位孔，后再在另一弯边钻出同一轴线的孔) | |||
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