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〕.Polyurethane elastomers based on glycols ( PEA, PPG PTMG ) , diisocyanate ( TDI ) and chain extender...
Polyurethane elastomers based on glycols ( PEA, PPG PTMG ) , diisocyanate ( TDI ) and chain extender ( E - 300 ) were prepared.以多元醇 ( PEA, PPG,PTMG ),PDI, E300为原料,制备了 PU 弹性体.Polyether - type isocyanate prepolymers are pr...
非常主观的看法a highly subjective point of view分析与说明是个很主观的事情。Analysis and interpretation is a very personal thing.这些对抗种类的描述是主观的和含糊不清的.Such resistance categories are arbitrary and vaguely delineted....
针灸师: 你有这个症状有多久了?Acupuncturist: How long have you been suffered from this symptom?或者是针灸师错用了放?6130126068蝾螈眼睛-?的针而导致了感染.HOUSE : Infection from the needle that the acupuncturis accidentally let sit ink eye am of newt.一些针灸师仍然...
Precision forging technology is developed rapidly in production of spur bevel gear.精密锻造直齿锥齿轮在我国发展很快.Thus, using modified roll method, 4 - axis CNC spiral bevel gear machine can manufacture hypoid gear.这样, 在四轴数控铣齿机上可以实现变性...
Bolivia returned to democratic rule in 1982, after a series of military governments.在经历了数届军人政府后，玻利维亚于 1982 年恢复了民主政权。Bolivia has been mercifully free of large-scale, drug-related violence.幸运的是，玻利维亚没有发生过与毒品有关的大规模暴力事件。Many ...
He has abandoned most franchising, after finding that franchisees did not maintain the standards he wanted.他已经放弃了大部分特许经营权, 因为他发现特许经营不能维持他想要的标准.Organization governance form in franchising: efficient contracting or organiz...
他们把冰砸开,把水运到工地.They broke the ice and carried water to the site.一队世界上最优秀的滑水运动员将一展身手。A group of the world's best waterskiers will be going through their paces.货物还在水运途中.The shipment is still on the water....