... ,elevator mechanism,water tank,composite probe In-convey:24 sets riding wheel,12 sets pinch roller,box type substructure,Synchronous deflection ... conveying device, effective length is 12m Out-convey:24 sets riding wheel,12 sets pinch roller,box type substructure,Synchronous deflection ... system certificateGB/T 7735-2004 steel tubes detecting methods diagnostic machine