1) rotary canopy
回转顶梁
1.
A new type rotary canopy-end support which is used in the presence of medium stable roof or rigid roof and pitching coal of deformed section way is introduced.
介绍了一种针对中等稳定或坚硬顶板条件下倾斜煤层工作面而形成的异形断面巷道中使用的新型回转顶梁端头支架,并对该型端头支架的设计要点、结构特点、技术参数和支架在井下应用效果作了阐述。
2) rotating center
回转顶尖
1.
Study on deflection of high precision rotating center with heavy-duty based on finite element;
基于有限元法的高精度重型回转顶尖挠度的研究
3) revolving back-rest
回转后梁
4) main roof rotary angle
老顶回转角
1.
Based on theory analysis and practical survey in testing ground,had studied influence factors such as caving height,work resistance of supports,coal seam rupture angle,main roof rotary angle and stopping mining time.
通过理论分析和现场实测,研究了采高、支架工作阻力、煤体破裂角及节理面倾角、老顶回转角和停采时间等对采煤工作面煤壁片帮的影响。
5) Double Rotating Centers Mechanism
双回转顶尖结构
6) rotatable astrodome
回转天文圆顶<舱>
补充资料：顶尖
（～儿）①顶心：打掉棉花～。②泛指最高最上的部分：镀金塔的～在阳光下十分耀眼。③达到最高水平的：～大学ㄧ～人物。
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