Original plate: Relief printing plate produced bu 7 photomechanical etching as distinct from electrotyping.原身版: 用照相晒版蚀刻方法造成的凸版.有别于电镀版.The process of preparing a printing surface for electrotyping engraving on a wax - coa...
In the epoxidation, chloroform and t butanol gave the best results.在环己烯环氧化反应中, 以氯仿和叔丁醇为溶剂时,环氧化反应的结果最好.The definilion of kauri - butanol value and its determination method is described.文章叙述了“溶剂汽油”一词的由来,K. B.值的定义及测定方法.The ...
Let me now deal more fully with the important question that was touched on earlier.现在我来详细谈一谈前面已经提到的那个重要问题。He became the fourth earl on the death of his father earlier this year.今年早些时候他父亲去世，他继为第4代伯爵。I knew she had some fu...
Chromatophore A name generally applied to a pigment - bearing structure, usually a membrane lamlla or vesicle.载色体:承载色素的结构, 通常是细胞膜的薄层或小泡.Eye - brow highlighting : Use a black mineral pigment to outline the eye - brow.画黛眉:...