单词:aluminium-copper chromium
单词:aluminium-copper chromium 相关文章
87 natural resources words coal metal iron ore oil water precious metal diamond export import refine mine mining miner drill(ing) engineer supply infrastructure wood stone pure natural aluminium oil well phrases drill for oil explore for oil discover
[00:09.95]Six weeks ago, the movie Erin Brockovich opened the United States. [00:16.95]So far, it has earned at least 100,000,000 dollars. [00:22.47]It tells a true story about a young woman who helped people in a California town gain money from an e
GWEN IFILL: Now NewsHour science correspondent Miles O'Brien begins a two-part look at America's drinking water, and the regulatory system that is supposed to guarantee its safety. His report is the result of a partnership with the Center for Public
Chinas latest effort to curb air pollution is raising hopes for the global aluminium industry, adding fresh momentum to a rally that has left the base metal as the best performer this year. 中国发起的旨在遏制空气污染的最新努力为铝价
Science and technology 科学技术 New transistors 新型晶体管 Mechanical advantage 机械优势 Two new types of transistor may lead to simpler, more efficient computers 两种新型晶体管或许会导致更加便捷高效计算机的出现 W
Business 商业报道 Mining in Indonesia 印尼矿业 Smeltdown 熔炉决定生存 The government risks an export slump to boost the metals-processing industry 政府为了刺激金属加工业发展不惜冒着削减出口量的危险 INDONESIA'S g