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- roof periodic caving 顶板周期垮落
- Therefore, the location of terminal line of the coalface should be put at the place where main roof periodic weighting process has already done. 因此,工作面终采线的位置,应尽可能确定在老顶岩层周期来压完成之后。
- The roof is dangerous and could cave in at any time. 屋顶很危险,任何时候都会坍塌。
- She and I can't live under the same roof. 她和我不能住在一起。
- The roof of the old house will cave in any time. 这所老房子的屋顶随时会塌下来。
- The stone made a dent in the roof of my car. 我的汽车顶让石头砸了个坑。
- Snipers shot at the invaders from the roof tops. 狙击手从房顶上向侵略者射击。
- 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。
- Can you shoot up at the bird on the roof? 你能射中房顶上的那只鸟吗?
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- The pillars have to support the weight of the roof. 这些柱子须承受屋顶的重量。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- The rain drip down from a leak in the roof. 雨水从屋顶的裂缝中滴漏下来。
- The rain is leaking in large drop through the roof. 雨正大滴大滴地从屋顶漏下来。
- The roof slopes towards the back of the house. 屋顶向屋子的背面倾斜着。
- The roof or walls will not cave in. 坑顶或边墙不能塌方。
- The roof of our house is covered by shingles. 我家的屋顶是用木瓦铺的。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- He consulted the chronicles of the period. 他参考了这一时期的编年史。