1) cavity-front constant-pressure
前腔常压式
1.
Base on analysizing of revolving apparatus hydraulic roofbolter, that the impact of drilling speed, then a design method has been carry out, that it adopted the driving head of cavity-front constant-pressure impact-rotary hydraulic roofbolter.
本文在分析液压锚杆钻机旋转机构工作原理的基础上,提出了前腔常压式冲击旋转型液压锚杆钻机动力头。
2) unsteady open cavity
非定常开式空腔
4) atmospheric pipe still
常压管式炉
5) Oil recess typed hydrostatic bearing
油腔式静压轴承
6) First Cavity and Second Cavity
前腔和后腔
补充资料：前腔
1.南曲中连续使用同一曲牌时﹐只在第一支曲前标明曲牌名﹐其后各曲前都`作"前腔"。与北曲中的"幺篇"或"幺"同。意谓曲名同前。参阅清李渔《闲情偶寄．词曲》。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条