viscosity engler 中文意思是什麼
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Test method for engler specific viscosity of tar products
焦油製品恩氏比粘度的測試方法 -
Petroleum products - determination of engler viscosity
石油產品恩氏粘度測定法 -
Measuring method for kinematic viscosity of plasticizers engler method
增塑劑運動粘度的測定
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