Franklin January 5, 2023 at 12:07 am 9mm. 346h型钢是一款新型钢材,其实际高度为346mm的窄翼缘H型钢,其规格可写为,表示翼缘宽174mm,腹板厚6mm,板厚9mm,硬度高,不易碎,性价比高, It is loved by the masses. Log in to Reply
9mm. 346h型钢是一款新型钢材,其实际高度为346mm的窄翼缘H型钢,其规格可写为,表示翼缘宽174mm,腹板厚6mm,板厚9mm,硬度高,不易碎,性价比高, It is loved by the masses.