down hole hammer meaning in English
井下振动锤
Examples
- Accord with down hole hammer from ingersoll - rand
与ingersoll - rand公司相通用的钻头 - Accord with down hole hammer from atlas - copco
与atlas - copco公司相通用的钻头 - Accord with down hole hammer from bulro
与bulro公司相通用的钻头 - Tb - down hole hammer tw - down hole hammer
多选用平口和凹心型 - Down hole hammer and bit
潜孔冲击器及钻头