单词：demand respirator
单词：demand respirator 相关文章
N95 respirators are designed to protect you from breathing in very small particles that may contain viruses. These types of respirators fit tightly to the face so that air is inhaled through the filter material. N95 respirators should be worn only on
英语解说豆知识2009年
1. As Pakistani anger mounts, intelligence officials say al-Qaida's No. 2 man was invited to dinner at the village hit by a purported CIA airstrike but didn't show up. 2. A suicide car bomb hits a Can
美联社新闻一分钟2006
Sri Lanka hopes to take advantage of the growing regional demand for information technology graduates. A new training institute opens next year to provide skilled graduates to meet increasing demand. Ron Corben recently visited Colombo and has this
VOA标准英语2008年（九月）
The oil-producing OPEC cartel has for the fourth straight month trimmed its estimate of world demand for oil for the rest of this year and in 2012. The 12-nation Organization of the Petroleum Exporting Countries said Tuesday that the demand for oil w
英语新闻
VIENNA, Jan. 17 (Xinhua) -- The Organization of Petroleum Exporting Countries (OPEC) （石油输出国家组织 ）raised its forecast Monday for global oil-demand growth this year, encouraged by outlook of continued world economic recovery. In 2011
英语新闻
CHICAGO, April 1 (Xinhua) -- General Motors Co. said on Friday that it sold 206,621 vehicles last month, up 11.4 percent from a year ago, as higher gasoline prices triggered demand for smaller and more fuel-efficient vehicles. The U.S. automaker said
英语新闻