钢管扣件脚手架连墙件设置要求是( )
A应靠近主节点,偏离主节点的距离不应大于600mm
B应靠近主节点,偏离主节点的距离不应大于300mm
C应远离主节点,偏离主节点的距离不应小于400mm
D应远离主节点,偏离主节点的距离不应小于600mm
A应靠近主节点,偏离主节点的距离不应大于600mm
B应靠近主节点,偏离主节点的距离不应大于300mm
C应远离主节点,偏离主节点的距离不应小于400mm
D应远离主节点,偏离主节点的距离不应小于600mm