您要查找的是不是：
- tight caving roof 难放顶板
- Because the increase of mining height in fully-mechinzed coal winning caving roof,it brings convenient and both brings the changing of rock rationlations. 大采高综放工作面由于机采高度的加大,在给工作面生产带来便利的同时,也带来支架与围岩关系的变化。
- fully-mechanized coal winning caving roof face 综放工作面
- support at fully-mechinzed coal winning caving roof 综放支架
- Keywords inducation caving roof;RFPA;time-varying effecting;empty; 顶板诱导崩落;RFPA;时变效应;采空区;
- She and I can't live under the same roof. 她和我不能住在一起。
- The roof is dangerous and could cave in at any time. 屋顶很危险，任何时候都会坍塌。
- mining height fully-mechanized coal winning caving roof 大采高综放
- It's a tight squeeze to get five people in that small car. 五个人坐在那个小车子里真是太挤了。
- Sheila's dad is a real tight wad. 希拉的父亲真是个一毛不拔的铁公鸡。
- Study on the contool of top coal depletion ratio in caving roof mining 放顶煤开采顶煤贫化率控制研究
- This drawer is too tight for me to open it. 这抽屉太紧了，我打不开。
- This pair of trousers is too tight for me. 这条裤子我穿太紧了。
- The tight jumper only accentuated his fat stomach. 那件紧身套头毛衣反更突出了他那肥胖的肚子。
- The stone made a dent in the roof of my car. 我的汽车顶让石头砸了个坑。
- I'm in a tight corner just at present. 我眼下的处境十分不妙。
- Snipers shot at the invaders from the roof tops. 狙击手从房顶上向侵略者射击。
- She held her baby tight in her arms. 她紧紧地搂着她的孩子。
- The rain water drips from the roof. 雨水从屋顶滴下来。
- During the gale roof tiles came hurtling down. 在暴风中屋顶的瓦片哗啦啦地落了下来。
