- keywell
- 基准: datum standard; criterion; r ...
- 钻孔: drill; bore; drill hole perf ...
- 标准钻孔: standard drill
- 修准钻: finishing drill
- 钻孔: [矿物学]1.(用尖锐的旋转工具在坚硬的物体上钻穿或钻孔洞) drill; bore; drill hole2.(为了装饰或识别而打孔) perforate3.(用钻钻的孔) borehole; solid boring; bouche4.(钻孔的一种动作和方法) boring; punching◇钻孔工 drillman; 钻孔机 drilling machine
下载手机词典可随时随地查词查翻译