viscosity 60-70seconds是什么意思啊?

viscosity 60-70seconds是什么意思啊? rotational viscosity是什么意思 rotational viscosity是什么意思 viscosity index是什么意思 润滑油黏度指数(Viscosity Index)高, 运动粘度（kinematic viscosity）的物理意义是什么? 我想问一下 high melt viscosity at low shear Where is your classroom?It's on____floor.A.two B.secon C.the second 理由. Same is wrong I not to be able to violate secon中文翻译怎么翻译? 英语翻译Marlim Oil Main Characteristics > > - API Gravity .=3D 19.2 > - Kuop .=3D 11.6 > - Viscosity @ 70=BAF .=3D 545 cSt > - Pour Point .=3D - 39=BA C > - S .=3D 0.78% wt > - Total Acid Number .=3D 1.05 mg KOH/g > - Total Nitrogen .=3D 0.49% wt 英语翻译15.A liquid of density 70 lb/ft3 and viscosity 0.12 cp flows through a 4-in schedule 40 horizontal steel pipe of length 600m .the volumetric flow rate is 35 gal/min.what horsepower is needed for this purpose?16.A pump with 80% efficiency 润滑油检测运动粘度的方法英文是 Kinematic Viscosity用什么标准方法测? 英语翻译It also shifted the onset of viscosity increase to lower temperatures. 介绍一些test equipment for viscosity property粘度性质测试设备,用于粘合剂等领域 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? 英语翻译You must kill an enemy with a ShotgunYou must win a round in less than 90 secon这两句 有关fluent计算的问题fluent计算时总是出现这样一行 turbulent viscosity limited to viscosity ratio of 1.000000e+005 in 320 cells 哪位大神知道到底是什么原因 fluent 数值模拟计算问题我用非预混模型PDF进行数值模拟时,其计算过程中总是出现 turbulent viscosity limited to viscosity ratioof 1.000000e+005 in xxxx cells 请问这是怎么回事?请高手指教,谢谢.