关于塔内件。? Bed suport for 25mm Pall ring packing in 1524mm ID, *mm OD tower, 304SS, 2 piece construction to pass liquid distributor support ring. Supplier to confirm ID and thickness of support ring to be welded to tower sheel. Include all required bolting for reassembly and attachment to support ring. Two required . 红色部分是我不清楚的地方,黑色部分作为背景供大家参考。 2 piece construction 是否指“双件结构”; Two required 指的是什么? [ ]查看更多1个回答 . 4人已关注