the double-layer compound stainless steel plate was first adopted during the fabrication and fixing of the scouring steel pipe in the well-known three gorges project.
举世瞩目的三峡工程在排砂钢管的制作安装中,选用了双相不锈钢复合钢板,这在国内水电建设中尚属首次。
but the welding of double-layer compound stainless steel plate is difficult when fabrication and fixing the metal structure.