单词：pneumatic pressure test
单词：pneumatic pressure test 相关文章
South Korean Students Stressed Over College Entrance Exam 韩国学生对高考倍感压力 This is the VOA Learning English Education Report. More than half a million South Korean students in their final year of high school recently took the univers
2014年VOA慢速英语(十一)月
Heavy air on this Moment of Science. Here's an oxiny question: does air weigh anything? At first it might seem preplexing, on the one hand, air just seems floating, I mean, to say something is as light as air is to say its weighlessness, is isn't? Bu
英语时差8，16
I will finish my middle school life soon, before I graduate, I need to take part in a very important test and it will decide which high school I will be in. I am so nervous now, I want to do my best and go to the ideal high school. My mother told me
英语作文
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
A: Have you been feeling OK lately? B: My coach wants you to check my blood pressure. A: Has anyone ever told you that you had high blood pressure? B: I dont have any symptoms of high blood pressure. A: People with high blood pressure seldom know the
英语情景对话-健康