单词：packed hole drilling technology
单词：packed hole drilling technology 相关文章
Technology Developed in Texas Expands Natural Gas Production LEAM Drilling Systems, in Conroe, Texas, runs its trucks on compressed natural gas, or CNG. LEAM Vice President Scott Bradley said cheap natural gas makes the company's 18 CNG trucks a good
VOA标准英语2012年(六月)
Just as I arrived at UCLA with my first faculty position, everything was falling into place in terms of the ability to answer this question at the centre of our galaxy. The telescopes were getting bigger so you had the due ability to see fine details
探索与发现2013年
今天我们要学的词是packed。 Packed, 是挤满，塞满的意思。The stadium was packed with fans, 体育场里挤满了球迷。The train was so packed I could not get on, 车厢里挤得不行，我根本挤不上去。 九月份开学后，
英语每日一词
Prank video destroying new Apple smartphone receives 10m views, with some seemingly tricked into making 3.5mm hole in the bottom of their devices. 这则破坏新款苹果手机的恶搞视频浏览量高达1000万，有些人甚至还真的上当，在
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China's first domestically-made submersible deep-sea drill completed its first trial run in the South China Sea on Sunday. The Sea Bull spent ten hours drilling 60 meters into the seabed under 3,000 meters of water. China is now the fourth country to
cctv9英语新闻2015年
Sugar bowls and hole 孔隙是岩土固体矿物颗粒间的空间。岩土中直径大于1毫米、重力水可于其中自由运动的孔隙，是大孔隙（macro-pore，large pore）。岩土中直径为0.01～1毫米、重力水和毛管水可存其
英语听力文摘 English Digest