1) U-steel track
槽钢轨道
2) U-bar guide rail
槽钢导轨
3) orbital groove
轨道槽
1.
Introduces a kind of sealing device for ball valves,by means of orbital groove,applied the principle of bellows sealing to the production of ball valves.
介绍了一种球阀密封装置,通过轨道槽的作用使波纹管密封的原理在球阀的生产中得以运用。
4) Oblique-Trough Orbit
斜槽轨道
1.
“ Oblique－ Trough Orbit” is the demonstrating experimental instrument that is commonly used in the physics teaching in middle schools,Due to its complication and inconvenience,this king of instrument had its limitation when it was used in teaching.
“斜槽轨道”是中学物理教学中常见的演示实验仪器。
5) tail entry
轨道顺槽
1.
It introduces some conditions under pressure in tail entry of 1214 coal face in Gengcun Coalmine in excavation.
介绍了耿村煤矿1214工作面轨道顺槽在掘进过程中受压情况,提出了维护方案及今后放顶煤工作面两顺槽支护改进措施,为放顶煤工作面拙进提供了借鉴。
6) track tank
轨道水槽
补充资料：轨道保持(见航天器轨道控制)
轨道保持(见航天器轨道控制)
orbit keeping
guidQo baoehi轨道保持(o rbit keePing)见航天器轨道控制。
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