Hexamethylene diisocyanate ( HMDI ) may be used in prepolymer, in place of TDI.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 diisocysnate ( HMDI ) may be used in prepolymer, in place of TD I.六亚甲基二异氰酸酯 ( HMDI ) 可...
If the foundations are flawed the house will come tumbling down.如果地基不牢，房子将会倒塌。His eyes were fastened on the boiling, tumbling waves.他的眼睛凝视着汹涌的波涛.A canny investor would need to predict when the dollar will once more start...
A shoal of porpoises are well on the feed.一群海豚正在吞食.stranded on a shoal在浅滩搁浅a shoal of fish一群鱼The boat struck a shoal and fetched up all standing.那艘船撞上浅滩突然停了下来。How can I tell the abyssal zone from the shoal waters?我怎么区分深水...
在两条道路的交叉点发生了一起事故.An accident happened at the meeting of two roads.每个交叉点上的一条边的长度和方位角是一开始就决定的.The length and azimuth of one side at each junction point is first decided on.在那两条街道的交叉点有一所邮局.There is a post office at the junc...
He cut the engine and grabbed the mooring lines.他关掉发动机，抓住系船的绳子。Nicholas untied the boat from her mooring.尼古拉斯把泊船的绳缆解开。However , all the best mooring were occupied by local fishing boats.凡是可以泊船的地方早已被当地渔船占去了....