operationn.操作;运转;经营;行动;手术;运算;生效;(复)运筹学
operation room of surgery center外科中心手术室
operation and maintenance manual操作与保养手册
operation and control parameters运行控制参数
operation behind side cutted off后切术
Operation on male genital system男性生殖系统手术
Operation on subcutaneous tissue皮下组织手术
operation parameter optimization运行参数优化
operation in extremely cold areas严寒地区战斗