Bo Xu, Yong Xu, Jiaqing Liang, Chenhao Xie, Bin Liang, Wanyun Cui, and Yanghua Xiao. CN-DBpedia: A Never-Ending Chinese Knowledge Extraction System. In International Conference on Industrial, Engineering and Other Applications of Applied Intelligent Systems, pp. 428-438. Springer, Cham, 2017.
| 中文名 | 板牙 | |
| 外形和用途 | 方板牙(四方板牙)、六方板牙(六角板牙 | |
| 外文名称 | threading die | |
| 时间 | 1955年 | |
| 规格范围 | 0 .25 ～M68毫米 |