operation-window 操作窗口

Operation window on the skirt 裙边开小门

window operation 开窗术

operation in window 加窗运算

Operation guide window 操作指导窗口

sliding-window operation 滑动窗口操作

discount window operation 贴现贷款业务窗口

window operation management 窗口操作管理

aorticopulmonary window operation 主动脉肺动脉窗手术