About which designs for the force thick plate levels off the back pressure hoop group specially, May achieve the guarantee the stress relieving effect.
特别为强力厚板而设计的上下整平背压滚轮组，可达到保证的应力消除效果。
2
Mehods and issues to be concerned in the strengthening of the slag layer in the top of the frame column with high strength fine stone concrete and steel platehoop.
对框架柱顶夹渣层用高强细石混凝土粘钢板套箍等方法加固，提出了具体的加固方法和注意事项。
3
After rolls over the hoop surface cleanliness has to the Pu board surface and zinc plate coating seriously affects not good.