roperties;Qualification tests;Semi-finished products;Specification (approval);Stability;Steels;Structural steel members;Structural steel work;Structures;Surface spread of flame;Testing;Tolerances (measurement)【摘要】: 【中国标准分类号】: P26【国际标准分类号】: 91_080_10【页数】: 39P;A4【正文语种】: 其他 | 欢迎光临 世界资料网论坛 (http://bbs.infoeach.com/) | Powered by Discuz! X2.5 |