1)characteristic value of permanent action,永久作用标准值2)quasi permanent value of an action,作用准永久值3)quasi-permanent value,准永久值4)Permanent Action,永久作用5)characteristic value of an action,作用标准值6)Permanent color standard,永久性颜色标准
用法和例句
3 respectively,and the corresponding factors of frequent value and quasi-permanent value of live loads based on JCSS model code with JC method were suggested.