单词：weld-on drill pipe
单词：weld-on drill pipe 相关文章
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用mp3背四级单词
block and tackle 滑轮组 boring 钻孔 circulate 注入，环流 coring bit 取芯钻头 cutting bit 钻头 cylinder 圆柱体 derrick 井架 drill pipe 钻杆 every so often 时常 geologist 地质学家 gusher 喷油井 mineral 矿物的 rotate 使
新概念英语第四册单词MP3
1.Computer-Aided Manufacturing(CAM) 计算机辅助制造 A: Is CAM used in China? B: Yes，it has been uesd in China for almost twenty years. A：在中国有使用CAM的吗？ B：有啊，在中国使用已经将近20年了。 2.Hot working 热加工 A: What are the hot working proc
天天商务口语
Alice: Hello, I'm Alice Stephen: And I'm Stephen.Alice: And this is 6 Minute English! This week were talking about a very commonphobia a fear of the dentist and a possible new treatment. But first of all,Stephen, how does this sound make you feel? In
六分钟英语
India Holds Large-Scale Drill for a Potential Disaster By the time the sirens sounded all around New Delhi, two months planning had been completed. In nine different parts of the city, rescue workers simulated a 7.2 magnitude earthquake 275 kilometer
VOA标准英语2012年(二月)
Technique May Eliminate Drill-and-Fill Dental Care For over a hundred years, dentists have been repairing cavities by removing the decayed tooth tissue with a drill and filling the hole with metal or plastic material. Depending on the cavitys depth,
VOA标准英语2015年(八月)
白日梦 Pipe dream 知不知道烟斗怎么说？很简单，仅用一个pipe就可形容这种一头带有小吹嘴的管状抽烟用具。当然，谈起pipe（烟斗），免不了会想到19世纪提着烟袋吸食鸦片的烟鬼们。短语pip
英语口语
异构是相对于同构而言的。异构词是指在拼写上只相差一两字母的两个或几个单词，若异构词里有一个是我们所熟悉的，就可以拿来记忆其他不熟悉的异构词（GRE单词）。异构法最适合记忆中
雅思英语
China and Russia on Friday started joint naval drills off the coast of Russia's Far East. Seven vessels from China's North Sea Fleet and South Sea Fleet and 12 vessels from Russia's Pacific Fleet are taking part in the weeklong exercises. Participati
世界各地新闻集锦
The Joint Sea 2016 drill between the two countries officially kicked off Monday in Guangdong. The 8-day exercise in the South China Sea features naval surface ships, submarines, fixed-wing aircraft, helicopters, marines and amphibious armored equipme
2016CRI中国国际广播电台
Pipe dream: 白日梦 知不知道烟斗怎么说？很简单，仅用一个pipe就可形容这种一头带有小吹嘴的管状抽烟用具。当然，谈起pipe（烟斗），免不了会想到19世纪提着烟袋吸食鸦片的烟鬼们。短语pi
英语口语
我们给大家介绍过两个以whistle这个字为主的习惯用语，今天我们还要给大家讲一个和whistle这个字有关的俗语：To whistle a different tune。 Different tune就是：不
美国习惯用语
underlie vt.位于...之下, 成为...的基础 vein n.血管, 静脉, 叶脉, 翅脉, 矿脉, 纹理, 性情, 心绪 vt.使成脉络, 象脉络般分布于 visa n.签证 vt.签准，维萨信用卡 vo
考研英语
A key stage in the construction of Gongbei tunnel, which will connect south China's Zhuhai city with Macau, has been completed. Pipe roofing has now been installed to reinforce the tunnel, in one of the largest construction projects in China. The Gon
cctv9英语新闻2015年
Military experts in China are warning against Japan's latest drill apparently aimed at recapturing lost islands. Military expert Yin Zhuo says the drill could be preparation for future operations on the Diaoyu islands. According to Japanese media rep
英闻天下
TEHRAN, July 4 (Xinhua) -- The Iranian Islamic Revolution Guards Corps (IRGC) concluded the three-day missile drill on Wednesday with Iranian military officials warning against any military aggression on the country. On the third and last day of the
英语新闻
BEIJING, Feb. 24 (Xinhua) -- Police in Beijing municipality have performed an emergency response drill in their preparations for the country's annual legislative and political advisory sessions, a police officer said Friday. The drill was organized t
英语新闻
By Robert Berger Jerusalem 09 April 2008 Syria is beefing up security on its home front in a sign of escalating tension with Israel. As Robert Berger reports from VOA's Jerusalem bureau, there are war jitters on both sides of the border. As Israel co
VOA常速英语2008年（四月）
navigability 适航性 dismantle 拆除 commemoration纪念 tilting 倾斜的 monorail 单轨铁路 ribcage 胸廓 weld 焊接 bolt 插销，螺栓 hydraulic 水力的 clamp 夹紧，固定住;夹钳，螺丝钳 axle 车轴 revolution 一周(转) cog
雅思英语