短語詞組短語operative time factors 時間因素operative lay over time 生產(chǎn)性停泊時間non -operative lay-time 非生產(chǎn)性停泊時間short operative time 手術(shù)時間短operative lay -time 生產(chǎn)性停泊時間shorter operative time 手術(shù)時間短longer operative time 手術(shù)時間較長shorten operative time 縮短手術(shù)時間 返回 operative time