Zinc base die castings are always copper plated in cyanide baths.锌基合金的压铸件总是在氰化镀液中镀铜....stainless steel castings for Waterloo Station.为滑铁卢车站做的不锈钢铸件It's used for the production of large castings.它用于大型铸件的制备.We can also...
Zinc base die castings are always copper plated in cyanide baths.锌基合金的压铸件总是在氰化镀液中镀铜.It's used for the production of large castings.它用于大型铸件的制备.All lead castings were produced at first by hand in many cases from singl...
The contest was as much about personalities as it was about politics.竞赛比手段策略，也比个性。She is one of the wealthiest, most ubiquitous media personalities around.她是目前最富有、最受媒体追捧的人物之一。There seemed to be a degree of personalities ...
The fauna in the Joli Fou consists of bivalves and arenaceous forams.乔里富组内的化石主要是双壳类和砂壳有孔虫.Among 52 species of mollusca identified , 45 were gastropods, 7 were bivalves.调查期间采到的软体动物已鉴定52种,其中腹足类45种, 双壳类7种....
She trudges , schlepps, trains, drags, trascines her load.她吃力地跋涉, schlepps 、 trains 、 drags、trascines重荷.Matvey , who has not tasted food or drink all day , trudges up the hill again.玛特威从一大早起就什么也没吃过,什么也没喝过, 这时候却又爬上坡去.Andy...