Element 3494 requires material properties and references
浏览：102966 回答：4
Element 3494 requires material properties and references material
number 3 for which no properties are defined. Checking terminates.
谁知道怎么解决啊
number 3 for which no properties are defined. Checking terminates.
谁知道怎么解决啊
zhx19830827 
