I'd like to inquire about a book. Do you have The Voyage of the Beagle by Darwin?我要查问一本书, 你们有达尔文著的《探险号航海记》 吗 ?Sinus arrhythmia appeared in 15 % of beagle dogs.beagle犬存在着窦性心律不齐,比例为15%.Objective To identify expression...
Sincflex is the earliest manufacturer in making membrane couplings in China.97年申克公司收到英国米切尔机械学会邀请参加膜片联轴器研讨会.John Crane : fitting and maintenance instructions of high performance couplings.JohnCrane: 高性能联轴器的配件及维护说明.Hoses -...
Just another surveillance job, old chap. Piece of cake to somebody like you.老伙计,只不过又是一份盯梢的活。对你这样的人来说还不是小菜一碟。At its peak in the Thirties, Underground design and architecture was all of a piece...在30年代的顶峰时期，地铁的设计和建筑风格都一模一样...