摘要:护栏方管按用途分类：装饰用护栏方管、机床设备用护栏方管、机械工业用护栏方管、化工用护栏方管、钢结构用护栏方管、造船用护栏方管、汽车用护栏方管、钢梁柱用护栏方管、特殊用途护栏方管。、壁厚分类：护栏方管按壁厚分类：超厚壁护栏方管、厚壁护栏方管和[阅读全文]