A new process and high effective catalyzer of acephate's synthesis was studied in this paper.本文提供一种用新型高效催化剂催化甲胺磷与酰化剂醋酐合成乙酰甲胺磷的新工艺.Acephate is on sale principally in the form of crystal in national and international ...
This marble ramp weighs one ton.这个大理石台阶重一吨.One good argument weighs down eighteen bad ones.正理一条胜过歪理十八条。The gemstone is 28.6 millimetres high and weighs 139.43 carats.这块宝石高28.6毫米,重139.43克拉。The luggage weighs 40 lbs.这行李重40...
别再卖关子了. 告诉我发生了什么事.Stop playing me along. Tell me what happened.现在他们不会再卖咖啡或扇贝肉了吧.They won't be serving coffee now - or scallops.上次装运的货能再卖一批 吗 ?Can last shipment be duplicated?...
She at last condescended to evince awareness of his proximity.最后她才纡贵屈尊地表示出她注意到他在旁边.What drew him to the area was its proximity to central London.吸引他到该地区的原因是那里靠近伦敦市中心。He became aware of the proximity of the Afghans...他意识到...