井钻,钻井机

well drill的用法和样例：

例句

A primary pump directs the meltwater from the borehole into the drill, and a secondary pump sends the meltwater up the tether to the surface for analysis.主要的帮浦会将凿孔内的融冰导入钻井机中，而次要的帮浦则是将融冰藉由缆绳向上传送到地表，以供分析。

Dentist's Drill

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

发表于:2019-01-07 / 阅读(113) / 评论(0)

六分钟英语

Technique May Eliminate Drill-and-Fill Dental Care

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,

发表于:2019-01-14 / 阅读(52) / 评论(0)

VOA标准英语2015年(八月)

China, Russia Conduct Joint Drill

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

发表于:2019-01-19 / 阅读(50) / 评论(0)

世界各地新闻集锦

英闻天下——116 Chinese Expert Warning against Japan Drill

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

发表于:2019-02-14 / 阅读(66) / 评论(0)

英闻天下

Iran wraps up missile drill, warns against military aggression on country

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

发表于:2019-02-17 / 阅读(63) / 评论(0)

英语新闻

Beijing police run drill ahead of political sessions

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

发表于:2019-02-17 / 阅读(53) / 评论(0)

英语新闻

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学英语单词

Adelberg

Admiralty Tide Tables

all about eve

anterior scrotal nerves