钎杆 meaning in English
drill shank
jackrod
Examples
- Study on theory of drill rod with new type structure
一种新型结构钎杆的理论研究 - Rope thread extension steel bars for rock drilling
凿岩用波形螺纹连接钎杆 - Rock drilling equipment . hollow drill steels in bar form
凿岩钎杆用中空钢 - Rock drilling equipment - hollow drill steels in bar form
凿岩钎杆用中空钢 - Hollow hexagonal drill rods with taperd connection for rock drilling
凿岩用锥体连接中空六角形钎杆