Hexamethylene diisocyanate ( HMDI ) may be used in prepolymer, in place of TDI.六亚甲基二异氰酸酯 ( HMDI ) 可用在预聚物中代替甲苯二异氰酸酯〔TDI〕.Hexamethylene diisocysnate ( HMDI ) may be used in prepolymer, in place of TD I.六亚甲基二异氰酸酯 ( HMDI ) 可...
我买这些蔬菜,被索价太高了.I've been charged too much for these vegetables.那件衣服卖主索价5英镑, 但我砍价后以4.5英镑买下了.The man was asking £5 for the dress, but I knocked it down to £4.50.他们把船拿来出售,索价2,000美元.They offered their boat for sale for 2...