The creep property is a basic long-term character of the concrete. 混凝土徐變特性是混凝土的一種基本的長(cháng)期特性。
The research on apparent viscosity and rheological property of oil-coal slurry is necessary during coal direct liquefaction. 研究油煤漿在升溫過(guò)程中粘度的變化及流變特性對煤炭直接液化工藝是十分必要的。