单词:aerated drilling fluid
单词:aerated drilling fluid 相关文章
Some state lawmakers are pushing to ban(1) potentially(2) cancer-causing(3) chemicals from children's products and sofas. The two flame retardant(4) chemicals are known as TCEP and TDCCP and are found in car seats, strollers(5), changing pads(6), oth
U.S. President George Bush is again calling on opposition Democrats in Congress to expand offshore oil drilling. VOA White House Correspondent Scott Stearns reports, high energy prices are a big part of this year's presidential campaign. President G
Environmentalists claim the drilling could contaminate New York's unfiltered drinking water sources with dangerous chemicals and radioactivity Carolyn Weaver | New York 24 December 2009 Photo: Sabine Aronowsky Manhattan borough president Scott String
What an important place the kitchen is. Two weeks ago we covered some of the basic areas of the kitchen; do you remember them? Where do we store the cups and plates? The cabinets of course. And, what would we use if we wanted to make a milkshake? A b
By Cynthia Kirk ENVIRONMENT REPORT - April 26, 2002: Arctic Refuge Drilling This is the VOA Special English ENVIRONMENT REPORT. The Democratic-controlled United States Senate has voted to block explor
But he cannot in any degree breathe through his mouth, 不过,不管怎样,它是不能用嘴呼吸的, for, in his ordinary attitude, the Sperm Whale's mouth is buried at least eight feet beneath the surface; 因为,按它通常的状态说来