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- heading and stall method 房柱式开采法
- The paper summaries an expeciment in mining the gentlely dipping and ultrathin orebody (<1.2m of thickness)in Dounan Manganese Mine with the pillat and stall method. 本文介绍了房柱法在斗南锰矿缓倾斜极薄矿体(厚度小于1.;2m)中的试验情况。
- 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。
- short-hole pillar and stall method 浅孔房柱法
- Keep a level head and phone the Fire Department. 保持冷静，打电话给消防署。
- Laura bent her head and hurried on. 劳拉低着头匆匆往前走。
- I'll just rough in the shape of the head and you can paint the sky round it. 我把头形勾勒出来，你可以在头四周画上天空。
- The dog reared its head and barked. 那条狗仰起头汪汪地叫。
- He knocked me on the head and blow stupefied me. 他给我当头一击，把我打得不省人事。
- He threw back his head and roared with laughter. 他仰著头哈哈大笑。
- A person has one head and one neck. 每人都有一个头，一个脖子。
- I turned my head and saw the profile of a man. 我转过头，看见了一个人的侧影。
- Please raise your head and look at the blackboard. 请抬起头来，看黑板。
- He rose his head and stared at the firmament. 他抬起头，凝望着天空。
- In the crash he suffered severe injuries to the head and arms. 在事故中他头部和双臂受了重伤。
- The ball went over the pitcher's head and into center field for a single. 球越过投手头顶，飞向中外场造成一垒打。
- Nancy is head and shoulders above the rest of the class in literature. 在文学方面，南希比班上其他人强得多。
- The anterior part of a fish contains the head and gills. 鱼的前部包括头和鳃。
- He turned his head and saw a figure approaching in the darkness. 他转过头，看见在黑暗中有个人影走过来。
- He suddenly slapped his hat on his head and left. 他突然抓起帽子载上，离去了。
