单词:urea resin treated wood
单词:urea resin treated wood 相关文章
Luthier Turns Wood From Landmark N.Y.C. Buildings Into Guitars 印证纽约历史的独特吉他 Rick Kelly started making wooden musical instruments when he was a teenager. But he didn't start turning timber use in old hotels, bars and churches into
20 科技新闻摘要(九) DATE=8-21-01 TITLE=SCIENCE IN THE NEWS #2138 - Digest BYLINE=Staff VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Sarah Long with Science in the News, a VOA Spec
Science and technology 科学技术 Reptilian micturition 爬行动物的排尿 That's a relief 可算是方便了 Softshell turtles urinate through their mouths 鳖类通过其嘴部小便 WHY did the turtle stick its head in a bucket? 为什么乌龟
A bureaucrat was hiking when he came upon a shepherd tending a large flock. The bureaucrat took a fancy to the sheep and asked the shepherd, If I can guess how many there are, may I have one? The shepherd thought it unlikely the man would guess the e
Volkswagen has devised a new catalytic converter that could fix the majority of the cars in the US affected by the diesel emissions scandal, as details emerge of its attempts to satisfy regulators. 大众汽车(Volkswagen)设计出一种新的催化转