睿博联轻骨料承压筒 GB2842-81 图片

p1Src=//y3.yzimgs.com/uploads/526663/2018310-113015316.jpg?watermark/2/text/54yu5Y6_552_5Y2a6IGU5Luq5Zmo6K6-5aSH6ZSA5ZSu5aSE/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast"