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- As a result,the short hole shrinkage method with flat bottom structure was employed to mine the stope firstly,then stoping ore pillar by medium length hole caving method. 后沟金矿采用平底结构浅孔留矿法先采矿房，后用中深孔崩落法回采矿柱，经两年多的生产实践，取得较好的技术经济指标。
- When a slot is cut in middle length hole post and stall method with hard ore,it is often used to cut raise or to cut raise and entry. However cutting raise often uses the method of shallow hole. 坚硬矿石内中深孔房柱法切割立槽的开掘,通常使用切割天井拉槽法或切割天井与切割平巷联合拉槽法。
- medium--length hole rock drilling 中深孔凿岩
- His strength in a crisis is an ace in the hole. 临危不惧是他的看家本领。
- Water blocking with medium - length hole pre - grouting 中深孔预注浆
- He chiseled a hole in the door to fit a new lock. 他在门上凿了个孔，以便装一把新锁。
- The bird picked a hole in the ice with its beak. 那鸟在冰上啄出了一个洞。
- My walking stick is the same length as yours. 我的拐杖和你拐杖长度一样。
- The child has picked a hole in his new jumper. 孩子的新毛衣上勾了一个洞。
- This car will turn in its own length. 这种汽车可以在自身长度范围内掉头。
- I arrived at that city at length. 我最终到达了那个城市。
- Stick your hand in and see what's in the hole. 把手伸进去，看看洞里有什么。
- The dog skins through the small hole in the wall. 那条狗勉强钻过小小的墙洞。
- The men in the hole sent up for more equipment. 在洞穴中的人们向上面要求再给他们一些设备。
- This river is ten times the length of that River. 这条河的长度是那条河的十倍。
- The mice have nibbled a hole in the cheese. 老鼠在奶酪上啃出了一个洞。
- She paced out the length of the room. 她用步子测量了房间的长度。
- I saw a rabbit dive into its hole. 我看见一只兔子钻进洞。
- He fished a length of string out of his pocket. 他从口袋里掏出一条绳子。
- She poked her finger into the hole. 她把手指插入孔中。
