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- Keywords extremely thick loose bed;upper limit of mining;aquiferous crevice zone;safety coal pillar; 巨厚松散层;开采上限;导水裂缝带;安全煤柱;
- aquiferous crevice zone 导水裂缝带
- The Norwegians live in a comparatively cold zone. 挪威人生活在比较寒冷的地区。
- A small hole or crevice through which one may peep. 窥孔一个人们可以用来偷窥的小孔或裂缝
- A winding channel, passage, or crevice. 弯曲的沟渠，弯曲的通道，弯曲的裂缝
- Supplies were parachuted into the earthquake zone. 救援物资已空投到地震区。
- Some people live in Torrid Zone. 有些人生活在热带。
- I'd like to see Europe as a nuclear-free zone. 我希望欧洲成为无核区。
- The troops detrained near the battle zone. 部队在战区附近下了火车。
- A small opening, as in a wall or rock face; a crevice. 裂缝，裂口在墙壁或石头等上面的小开口; 裂缝
- He edged the tool into the crevice. 他把刀具插进裂缝里。
- Some grass grow in the crevice of the stone wall. 有些草从石墙的裂缝中长出来。
- They are pulling their troops out of the battle zone. 他们正把部队调离战区。
- A cranny, hollow, or crevice, as in rock. 裂缝裂痕、中空或裂隙，如在岩石上
- They have declared their country a, nuclear-free zone. 他们宣布本国为无核区。
- And a roach spans a crevice in the floor. 一只蟑螂爬过了地板的裂缝。
- She falls into a crevice while scouting the moon. 她的腿被降落伞缠住;膝盖撞碎在岩石上.
- Wrestling is in a twilight zone between sport and entertainment. 摔跤是介於运动和娱乐两者之间的活动。
- Most of the world's wheat is grown in the North Temperate zone. 世界上大部分小麦种植在北温带。
- Ninety per cent of the country lies in the temperate zone. 这个国家百分之九十的地方都是温带。
