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 diisocyanate ( HMDI ) may be used in prepolymer, in place of TDI.柯达叙述了一种直链的活性亚甲基两当量的黄成色剂.Kodak company describes open chain reactive methylene two - equivalent yello...
那孩子得到礼物的条件是取得好成绩.The gift to the boy is conditioned on his good marks.好成绩令他鼓舞.He was heartened by the good test results.夏普先生是一位很有天赋的歌词作者,他在每首歌曲中都做出好成绩。Mr Sharp is a gifted lyricist who does something good in every song....