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...
If you do waken up during the night, start the exercises again.如果你夜里真的醒了，就再从头开始做这套动作。"Drink this coffee — it will waken you up."“把这杯咖啡喝了——它会让你清醒过来。”It is frightening to most children to waken and find a stranger.对多数小孩来说,...