preventive measurement是什么意思 preventive measurement怎么读
preventive measurement的相关资料
preventive measurement的用法和样例
- This paper analyzes the characteristics of large pump concrete and the cause of Concrete crack, provides corresponding prevention measures.
摘要文章分析泵送混凝土特点及大体积混凝土裂缝产生的原因，提出防治措施。
展开更多
