average concrete

• 普通混凝土

average concrete的用法和样例：

例句

1. The shearing performances of the stud connectors of steel-steel fibre concrete composite beams were studied and compared with those of steel-concrete composite beams.
   研究钢与钢纤维混凝土组合梁栓钉连接件的抗剪性能，并和钢与普通混凝土组合梁的栓钉连接件的抗剪性能进行对比。