the vacuum decides the flask length is 8 meters, the weight section type finalizes, water pump system use box in vivo circulating water, cooling water cycle use, according to water temperature control automatic supplement water volume. finalizes taiwan also to have is mad the water disengaging gear and the bidirectional fast replacement screen system. the tractor is six fingernail haulings, the hauling caliber for ¦õ315-¦õ630mm, uses the direct-current velocity modulation, the speeder produces for english europe land company, the direct current machine selects the shanghai southern coastal provinces company product stably, the work reliable. the cutter is planet cutting, cutting, bevel edge one time completes, the bevel edge belt self-compensating system, and uses programmable carries on the control.