单词：oil cold test
单词：oil cold test 相关文章
Airplane Engines In 1945, a new type of airplane engine was invented. It was much lighter and more powerful than earlier engines, and enabled warplanes to fly faster and higher than ever. This type of engine was called the jet engine because it below
英语专业四级考试指南
U.S. officials say a cap on a damaged oil well in the Gulf of Mexico appears to have a small leak, but they say there are no plans to remove the cap from the well. Engineers are carefully studying the well for any evidence of problems. Engineers spot
VOA标准英语2010年(七)月
A workboat pulls boom into place alongside the Pacific Responder oil skimming vessel in the Gulf of Mexico near the coast of Louisiana, 14 Jul 2010 BP has restarted a pressure test on a leaking oil well in the Gulf of Mexico to prepare for an effort
VOA标准英语2010年(七)月
AUDIE CORNISH, HOST: The BP disaster in the Gulf of Mexico seven years ago showed just how hard it is to combat a massive oil spill. Cleaning oil from water is a challenge, especially on the open sea. Now the federal government is backing research on
2017年NPR美国国家公共电台3月
Investors are seeing new opportunities to make money on oil. The price of crude oil rose to its highest level in 15 months on Wednesday amid speculation that a weak dollar and cold weather across many parts of the world will boost energy demand. But
VOA标准英语2010年(一月)
Oil from the Rena continues to float on the sea and finish on the beaches around Tauranga. Many penguin eggs will not hatch this spring because wildlife rescue workers are saving the adult penguins instead. Wildlife workers are checking penguin nests
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