单词：coal wedge
coal wedge的用法和样例：
例句
- Medium and small coal mines in north of Shaanxi Province generally adopt longwall remaining coal pillars support mining.摘要长壁留煤柱支撑法开采是陕北中小煤矿普遍采用的一种采煤方法。
- The coal pillar has mode-soft behaviour, so it is possible to estimate the destabilization.煤柱失稳还具有模态软化特性，可以对失稳的可能性进行佑计。
单词：coal wedge 相关文章
有时候你不要看老美表面上很正经, 其实当他们疯起来的时候才可怕呢! 我想只要是人都差不多, 不熟的时候大家就相敬如宾, 可是只要开始熟起来, 大家就
小笨霖英语笔记
life is to be whole=人生在于完整 Once a circle missed a wedge. The circle wanted to be whole，so it went around looking for its missing piece．But because it was incomplete and therefore could roll only very slowly，it admired the flowers al
四级晨读英语美文
[00:04.26]the opposite of everything Ive taught you. 所有与我所教给你们相反的事 [00:04.67]Does that make sense? 这样说你们明白吗？ [00:06.52]What have l-- What have l told you to do? 我，我都跟你们说了什么？ [00:08.0
听电影学英语-足球老爹
[00:00.00]wardrobe [00:06.31]wardrobe [00:08.22]n.衣橱；(个人、剧团的)全部服装 [00:15.68]wardrobe [00:17.59]warehouse [00:24.71]warehouse [00:26.75]n.仓库，库房 [00:34.92]warehouse [00:36.96]warfare [00:42.96]warfare [00:45.08]n.战争
大学英语六级词汇(拼读版)
Life Is To Be Whole Once a circle missed a wedge.The circle wanted to be whole，so it went around looking for its missing piece．But because it was incomplete and therefore could roll only very slowly，it admired the flowers along the way．It cha
英语沙龙
According to the latest data from the General Administration of Customs (GAC), China's net import(净出口) of coal hit 103.43 million tons in 2009. Last year, China exported 22.40 million tons of coal, down 50.7 percent year on year, while its coal
英语新闻
on board a ship,really could be an evil, that's a stem damage, maybe from a broken window, on this case, we've hit some rocks, what we need to try to do is down the flow of water, so that it's slower coming in that while we can pump or well them out.
万花筒2008年
DAVID GREENE, HOST: And, you know, the debate over coal can really seem like a battle between bitter enemies. You have environmentalists who want to replace coal with cleaner fuels and coal boosters who want to revive the industry. But there really i
2017年NPR美国国家公共电台5月
图片1 edge n. 刀口， 利刃 vt. 使锋利，挤进，镶边，开刃 例句：Andy sharpened the edge of his knife on a grindstone. 安迪在磨石上磨快了他的刀刃。 hedge n. 树篱，障碍物 例句：Will the hedge keep the sheep out
漫画搞定六级词汇（文本+音频）
人生的完整性在于知道如何面对缺陷，如何勇敢地摒弃不现实的幻想而又不以此为缺憾。 Once a circle missed a wedge. The circle wanted to be whole, so it went around looking for its missing piece. But because it was inc
精美英文欣赏
By Mil Arcega Washington 04 December 2007 A decommissioned coal mine in the Rocky Mountain state of Wyoming is about to get a new lease on life. Although it no longer produces enough coal to generate electricity, the company that owns the land has fo
VOA常速英语2007年（十二月）
SHIJIAZHUANG, July 2 (Xinhua) -- Coal inventories in Qinhuangdao, Tangshan and Huanghua, China's major coal ports, have reached record highs in recent days, sparking safety concerns for the Chinese energy market. According to the latest figures, coal
英语新闻
BEIJING, Feb. 25 (Xinhua) -- China's safety watchdog said Monday it will no longer approve new coal mines that do not meet production capacity requirements in 2013 in order to ensure work safety. High-gas coal mines with an annual production of less
英语新闻
New research finds that the act of imagining eating can actually make you feel less inclined to eat more. The finding may lead to more healthy diets and better treatment for addiction. What happens when you get used to something? Scientists say you b
VOA标准英语2010年(十二)月
Chapter 08 第八章 The Sumerians 苏美尔人 The Sumerian Nall Writers, Whose Clay Tablets Tell us the story of Assyria and Babylonia The Great Semitic Melting Pot 苏美尔人用刻在泥版上的楔形文字给我们讲述了闪米特人的大熔炉
美国学生人类历史
Taxes on wage income vary heavily around the world. 世界各地的工资税率大不相同。 The OECD recently published a report comparing the tax burden on wages in the world's developed economies. One of the main measures the OECD used in the re
阅读空间
中国富煤缺油少气的能源资源特点，造成能源消费主要依赖于煤炭，石油则主要依靠进口，而且带来一系列环境问题。煤清洁转化技术则可以帮助缓解这一难题。近日专家表示，我国将在2020年
实用英语
By Paul Sisco Washington 18 October 2007 In today's Searching for Solutions report, Paul Sisco reports on what some scientists say can be done to reduce carbon emissions and cool off global warming. Many scientists believe that the problem of climate
2007年VOA常速英语（十月）
A man went into the woods．He felled a tree，and began to cut it into pieces．He lifted one end of the tree on the stump，sat astride up-on it，and began to saw．Then he drove a wedge into the cleft，and began to saw farther along；then he re
趣味英语
鞋是女人的生命，很多女性高兴的时候买鞋，不高兴的时候也买鞋，平淡时要买鞋刺激一下自己，得意时要买鞋奖励一下自己。总之女人这辈子和各种鞋是分不开了。那么各种女鞋的英文怎么
实用英语