grade of lumber
... home furniture 家庭家具,民用家具 grade of lumber 成材等级 anticorrosive paint 防锈涂料 ...
基于1392个网页-相关网页
... Grade等级 lumber成材等级 Graded分等级 ...
基于24个网页-相关网页
·2,447,543篇论文数据,部分数据来源于NoteExpress
通过科学地选择组成材料及优化混凝土配合比,采用强度等级32.5 r型水泥配制高性能混凝土,并且成功应用于海港工程中。
By choosing rationally the composing materials and optimizing concrete mixing ratio, high-performance concrete adopting C32.5R is successfully applied in sea port engineering.
youdao
应用推荐
模块上移
模块下移
不移动