opaque liquid meaning in English

不透煤体
不透明液体

Petroleum products . transparent and opaque liquids . determination of kinematic viscosity and calculation of dynamic viscosity
石油产品.透明和不透明液体.动态粘度的测定和动态粘性的计算
Petroleum products - transparent and opaque liquids - determination of kinematic viscosity and calculation of dynamic viscosity iso 3104 : 1994 cor . 1 : 1997 ; german version en iso 3104 : 1996 ac : 1999
石油产品.透明和不透石油明液体.运动粘度的测定和动
Methods of test for petroleum and its products - petroleum products - transparent and opaque liquids - determination of kinematic viscosity and calculation of dynamic viscosity
石油及其产品的试验方法.石油产品.透明和不透明液体.运动粘度的测定和动力粘度的计算