High Viscosity Acetal Copolymer是什么材料?好像是做齿轮的.英文名称缩写是什么?

我想问一下 high melt viscosity at low shear High Viscosity Acetal Copolymer是什么材料?好像是做齿轮的.英文名称缩写是什么? 2.)What is the main characteristic between High and Low Viscosity有人能帮我翻译并回答吗? rotational viscosity是什么意思 rotational viscosity是什么意思 viscosity index是什么意思 英语翻译第一个：Iodine and pseudo mixed第二个：After water addition:第三个：Moments after RP addition:第四个：Gas volume increases:第五个：Appearence of mixture on flask wall (initial),notice high viscosity:第六个 After 45 英语翻译Dosing synthetic thickener in in the end of coating color make down process.The widely Brookfield and High shear viscosity adjustment range –can adjust coater blade load and machine runnability flexibly.Widely water retention adjustment 英语翻译The AAA power booster is designed for pumping high viscosity sealant.In combination with an industrial robot or automatic nozzle driver,it allows linear application of a consistent bead of sealant without pulsing.The Drum Pump offers a si viscosity 60-70seconds是什么意思啊? 润滑油黏度指数(Viscosity Index)高, high high high HIGH HIGH high high