It could prevent from dust , dirty as well as topple down.以快节奏,高效率的工作特性赢得客户们的高度赞赏.How can we topple the chief from his position of trust?我们怎样才能把主任从他的位置上赶下台?The tree is so badly damaged they are worried it might topple ov...
The tree is so badly damaged they are worried it might topple over.这棵树严重受损，他们担心它会倒掉。He slapped his knee and began to topple from his seat.他拍膝盖,开始在座位上昏昏沉沉地倒下去.How can we topple the chief from his position of trust?我们怎样才能把...
虾青素分子结构中含有13个共轭双键, 是一种极不稳定的类胡萝卜素.Astaxanthin molecular structure which contains 13 conjugated double bonds, is one kind of extremely unsteady carotenoid.综述了近10年来虾青素结构、功能及应用方面的研究成果与进展.This article reviews the research pro...
这布花是用一种特殊的粘合剂固定住的.The cloth flower snaps on with a special binder.较好的配方是那些高硝基增塑的硝化棉粘合剂配方.The preferred compositions are the highly nitroplasticized nitrocellulose binder compositions.制造推进剂的最后操作是粘合剂的固化.The final operation...