发布日期:2021-03-22
A.The location and extent of application of different grades and strengths of materials
B.The approved and available welding procedure adopted in the construction
C.Restrictions or prohibitions of repairing or modification
D.None of them
热门试题
热门资讯
暂无相关推荐~
使用浏览器的分享功能,把这篇文章分享出去
确定