青藏铁路公司*0**年第**批B**.0*物资设备采购补充公告充电式液压切刀技术规范目录*.范围..............................................................................................................................................................青藏铁路公司*0**年第**批B**.0*物资设备采购补充公告充电式液压切刀技术规范目录*.范围..............................................................................................................................................................0