Water - borne polyurethane is the predominant material of membrane pressing adhesive.水性 聚氨酯是真空吸塑胶的主要成分.The water - borne polyurethane was based on polyester diol and toluene diisocyanate etc.以聚酯多元醇、甲苯二异氰酸酯为主要原料合成了 水性 聚氨酯...
这种ccc系统是通用汽车电子燃料控制系统 ( EFC ) 的发展变型.The ( ccc ) is an advanced version of the General Motors electronic fuel - control ( EFC ) system.用这种方法来绘制100个突变型的遗传图就要做5000个杂交.To map 100 mutants by this method would necessitate nearl...
他把他的衣服和书胡乱装进一只大口袋.He tumbled his clothes and books into a big sack.看, 袋鼠有个大口袋.Look, the kangaroo has a big pocket.哨兵在检查汽车行李箱时, 惊奇地发现了六个接缝处鼓得紧绷绷的大口袋.“里面装的是什么? ”他问道.When the guard looked in the trunk, he was surprised to f...