操作流程圖operationguidecomputer: 操作指導(dǎo)計(jì)算機(jī)operationcost: 營(yíng)運(yùn)成本operationinstruction: 作業(yè)輔導(dǎo)書operationcontrol: 操作單元operationism: 操作主義下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
