The factory is retooling to start making the new line of cars.工厂正在重新装备以便开始制造新系列车型.But it is not just building highways and retooling market trading mechanisms.但这不只是建造高速公路和重新设计市场交易机制.With shipping costs surging, companies...
六亚甲基二异氰酸酯 ( HMDI ) 可用在预聚物中代替甲苯二异氰酸酯〔TDI〕.Hexamethylene diisocyanate ( HMDI ) may be used in prepolymer, in place of TDI.柯达叙述了一种直链的活性亚甲基两当量的黄成色剂.Kodak company describes open chain reactive methylene two - equivalent yello...
斯科特和阿蒙森都迫不及待地等待着春天曙光的来临.Scott and Amundsen waited anxiously for spring.每逢入秋,一年当中观测假曙光的最佳时节来临了.假曙光即是我们所知的黄道光.Autumn is the best time of year the false dawn also known as the zodiacal light....
彩色玻璃板先经过蚀刻，然后用传统技法手工着色。The stained-glass panels are etched and then handpainted using traditional methods.那种酸在晶体表面蚀刻出一些小孔。The acid etched holes in the crystal surface.玛丽很喜爱蚀刻艺术.Mary is very keen on etching....