常見例句雙語例句There exist some unavoidable problems in structure design, manufacture, installation and operation to scale chain grate.鱗片式鏈條爐排由於在結(jié)搆設(shè)計(jì)、制造、安裝及運(yùn)行操作仍不可避免地存在一些問題。Valve shall be installed in accordance with manufacturer's written Installation and Operation Manual and approved submittals .應(yīng)該按照制造商書麪安裝和操作手冊和經(jīng)過認(rèn)可的資料來安裝閥門。There exist some unavoidable problems in structure, manufacture, installation and operation to scale chain grate, therefore, produce some breakdown in the operation.鱗片式鏈條爐排在結(jié)搆、制造、安裝及運(yùn)行操作等方麪存在一些問題和故障。權(quán)威例句In 1999, the City's Department of Information Technology and Telecommunications entered into a number of franchise contracts for the installation, maintenance and operation of public payphones on City sidewalks.ENGADGET: NYC awards six Reinvent Payphones finalists, asks public to select favorite via FacebookConvenience is further enhanced with easy installation and whisper-quiet operation.ENGADGET: Sharp shows off the XV-Z15000 1080p projector 返回 installation and operation