straight bore meaning in English
直孔
Examples
- Laboratory glassware ; straight bore burette stopcocks
实验室玻璃仪器.直孔滴定管旋塞 - Laboratory glassware ; straight bore stopcocks
实验室玻璃仪器.直孔塞 - Laboratory glassware ; gas sampling tubes with straight bore stopcocks
实验室玻璃仪器.带直孔塞的气体采样管 - Improvement turning cone bearing into straight bearing for cinder and iron ladle
铁罐滚动轴承锥改直的探索 - Laboratory glassware . general purpose interchangeable stopcocks with single straight bore
实验室用玻璃器皿.单个直孔一般用途可互换管塞