Water power schemes ( hydro - electric schemes ) are of two types, high dams or low dams.水力发电工程 ( 水电工程 ) 有高坝和低坝两种类型.Large dams have harmed Siberia's delicate ecological balance.大型水坝对西伯利亚脆弱的生态平衡造成了破坏。The R . A . F .&...
主要的畸形为对耳轮未发育.The basic deformity is a lack of development of the antihelix.对4例外耳再造采用隧道法植入坎骨形成耳轮、三角窝、舟状窝、耳甲腔,戊形后近似正常外耳.Four cases of external ear reconstruction were performed with a modified method in one stage....
最适合盛装鲜桂圆, 荔枝等产品.Longan and the most suitable costumes fresh, lychee and other products.桂圆即是龙眼,含有丰富的维他命 、 蛋白质以及钙质,却无胆固醇.Loongan has high vitamin, protein, calcium and no cholesterol.桂圆红枣茶有改善血液循环、安定精神之功效.Red dates and long...