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〕.R is tetramethylene, pentamethylene, or hexamethylene.R为四甲撑 、 五甲撑或六甲撑.Hexamethylene diisocysnate ( H...
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...
The closure of the factory is a retrograde step .工厂的关闭是一大退步。Infection can spread retrograde down a drain from the exterior.感染能从外界经引流管逆行播散.The motion of the particle is retrograde.质点运动是衰减的....
你可以用这种碎料塞椅垫.You could stuff the chair with this torn material.猫将身子缩成一团睡在椅垫上.The cat huddled itself on the cushion.她们将替斯洛普先生做鞋子和椅垫.They would work slippers and cushions for Mr. Slope....
她突然变得激动狂躁，四处乱跳还大喊大叫。She suddenly became very vehement and agitated, jumping around and shouting.我的心怦怦乱跳，跳得我心里发慌。My heart was hammering unpleasantly.那条狗到处乱跳.The dog was bounding about....