The effect of catalyst, epichlorohydrin and base on product was studied.研究了催化剂用量 、 反应原料配比及碱用量对产物收率的影响.The effect of catalyst, epichlorohydrin and base on product yield was studied.研究了催化剂用量 、 反应原料配比及?A用量对产物收率的影响.Trimethyl...
The effect of catalyst, epichlorohydrin and base on product yield was studied.研究了催化剂用量 、 反应原料配比及?A用量对产物收率的影响.The effect of catalyst, epichlorohydrin and base on product was studied.研究了催化剂用量 、 反应原料配比及碱用量对产物收率的影响.Grafting ...
他兼任作曲家和指挥的双重角色his dual role as composer and conductor他们在最大的一些跨国银行和投资机构中兼任董事.They share directors from the top multinational banks and investment houses.约翰爵士兼任好几家公司的董事.Six John serves on the boards of several companies....
George was a fitter at the shipyard.乔治是造船厂的一名钳工。You can become fitter quite quickly and easily.你可以非常迅速而且轻松地变得更健康。Making some simple alterations to your diet will make you feel fitter...对日常饮食做些简单的调整就会让你身体更健康。You'll s...
Officials were clustered at every open office door, talking excitedly.每个开着门的办公室门口都有官员们三五成群在兴奋地交谈。Young autograph hunters clustered around the players' entrance.年轻人都挤在演员入口处索要签名。We pass villages clustered around wet r...
这个森林黑暗寂静，经常有幽灵和看不见的鬼怪出没。The forest was dark and silent, haunted by shadows and unseen presences.死去的孩子们的幽灵常在该村出没。The village is haunted by the ghosts of the dead children.旋转木马的幽灵只不过是当地的迷信说法。The phantom of the merry-go-rou...