根据《建筑施工扣件式钢管脚手架安全技术规范》(JGJ130-2011),扣件式脚手架钢管宜采用( ) mm的钢管 A、∅48.0*3.0B、∅48.0*3.5C、∅48.3*3.6 发布时间:2025-07-13 08:26:55