技术参数规格型号载重中心距滚轮直径滚轮宽度焊件直径高度宽度总长TmmmmmmmmmmmmmmZT-5t51030260120300-25007907001770ZT-10t101070308170350-30008007501800ZT-20t201160308200400-35009209102050ZT-30t301270308220500-40009509902180ZT-40t401600425220600-4500106011302500ZT-50t501700425220700-5000120011802800)