单词：hydraulic rock drill
单词：hydraulic rock drill 相关文章
This is the VOA Special English Economics Report. Many people think the search for cleaner energy leads only to renewable resources like sun, wind and water. But it also leads to a fossil fuel. Natural gas is considered the cleanest of the fossil fu
VOA慢速英语2009年（十）月
美国等国举行地震救灾演习 People around the United States and in dozens of other countries took part last week in an earthquake drill called the Great ShakeOut, an event that teaches them what to do when a real earthquake strikes. 美国等数
VOA双语新闻 2014年10月
What is fracking? It is a way of getting gas or oil from inside rock, deep underground. Mining companies break the rock using water. This week, the Commissioner for the Environment gave a report on fracking in New Zealand. She said that the mining co
新西兰英语
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
Oil spill, Day 42 of this oil spill in the Gulf of Mexico. Still there is no end in sight for this crisis. Right now take a look with me. Work under water and under way to place a custom built dome over that ruptured well. Remember that effort top ki
CNN2010年(六)月
Congressional investigators say three previously undisclosed defects in a critical safety device may have contributed to the massive oil spill in the Gulf of Mexico. The rig was owned by Transocean and leased by energy company BP. NPR's Peter Overby
2010年NPR美国国家公共电台5月
Kenya Moves Full-Steam Ahead on Geothermal Production Kenya is expanding plans to become one of the worlds top geothermal power producers with the start of explorations at a site called Menengai. The government is also aiming to make geothermal Kenya
VOA标准英语2011年(十一月)
Study: No Evidence Hydraulic Fracturing Pollutes Water A new study finds no evidence that the controversial practice to extract natural gas known as hydraulic fracturing is contaminating ground water. The report, Separating Fact from Fiction in Shale
VOA标准英语2012年(二月)
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)
'Great ShakeOut' Earthquake Drill Teaches Preparedness 美国等国举行地震救灾演习 LOS ANGELES People around the United States and in dozens of other countries took part last week in an earthquake drill called the Great ShakeOut, an event th
VOA标准英语2014年(十月)
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)
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
This is SCIENCE FRIDAY. I'm Ira Flatow. Last August, NASA's Curiosity Rover staked its claim in Gale Crater on the surface of Mars, and since then it's been cruising around, zapping rocks, sniffing the Martian air and snapping some self-portraits. Bu
英语语言学习
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 06 April 2008 Israel has launched a major civil defense exercise amid fears of war. Robert Berger reports from VOA's Jerusalem bureau. Israel is conducting a five-day home-front security drill to prepare for the possibility
VOA常速英语2008年（四月）
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）