different strength grade concrete中文,different strength grade concrete的意思,different strength grade concrete翻译及用法
2026-05-06 01:47浏览次数 22
different strength grade concrete
不同强度等级混凝土
different strength grade concrete 例句
英汉例句
Some technical methods are used to make construction convenient when different strength grade concrete is used in the joint of beam and column in high building.