Heat transfer coefficients in a packed bed have been investigated by Leva and Beck.填充床的传热系数已由利瓦和贝克作过研究.Quand l'examen fut fini ____ deux heures , l'examinateur se leva et embrassa le candidat.Chacun在这里是什么用法?...
Also, we had a gigantic autographing session with the fans!除此之外, 我们还办了一场大型的签名会!When autographing, he often threw in a verse from the Bible.他签名时经常随手写下一段圣经章节....
Hepatitis E virus ( HEV ) strain 87 A and enterovirus ( ETV ) echovirus type 13 were inocu - lated onto A 549 cell line.建立了生物素标记探针技术,以便用于戊型肝炎病毒 ( hepatitisEvirus,HEV ) 的诊断及与肠道病毒的鉴别....
这家工厂拥有一套先进的排气装置.The factory has an advanced exhaust.向窗外我可以看见老行政楼的排气系统.I could look out and see the exhaust system of the E . O . B.发动机气门的二种型式是:进气口和排气口.The two types of engine valves are intake and exhaust....