Wetting of fibrous materials can critically affect many manufacturing processes.纤维材料的润湿,会严重影响它的许多加工工艺.Cellophane is made of long, fibrous molecules.玻璃纸系由长形纤维分子组成.Grohal belong to the coated paper series, the munltivariab...
Their economy crumbled under the weight of United Nations sanctions...在联合国制裁的重压之下，他们的经济崩溃了。A full-scale debate is under way on what ails the industry.关于工业为何陷入困境正在展开一场全面的讨论。Racism is wholly unacceptable under any circumst...
The mineral malachite contains the elements copper, hydrogen, carbon, and oxygen.矿物孔雀石包含的元素铜, 氢, 碳和氧.The main copper minerals are malachite, chrysocolla, little chalcopyrite, chalcosine and even little bornite and covell...