我司主要销售压延机 ( 生产扁平导线 ).Flat Copper Conductor Making Machine ( Rolling Machine ) for FFC ( Flexible Flat wire ).本文论述了压延机调距的自动化控制的改造设计.The paper introduces the auto controlling of adjusting the gap between rolls for calender...
Fig. 5 Variation of furfural calibration curves in aniline acetate colorimetric method.图5醋酸苯胺比色法,糠醛标准校正线之变化.A novel furan resin was synthesized by polycondensation between furfuralcohol and furfural.用糠醇和糠醛缩聚制备了新型呋喃树脂.The...
这是及格和不及格的差别.It'sthe difference between a pass and a fail.我二年级时数学不及格。I flunked math in second grade.要是下次作业你再马马虎虎, 我话说在头里,可要给你打不及格了.If you do such sloppy work again, I promise I'll fail you....