maintenancefree

常見例句

• The Aquascum 2003 is an allpurpose,selfcleaning,maintenancefree,salt water purifier that is guaranteed to extend the life of your aquarium fish.
  "水得清2003"具有自動清潔;免維護;污水過濾等多功能萬能清潔器;它還能大大延長你水族箱里的魚的壽命.
• This test,by using cast alloy plates,extends battery life,meets the requirements of maintenancefree batteries,and increases considerable economic benefits for the production of enterprises every year.
  采用本試驗合金鑄板,延長電池的使用壽命,達到了免維護電池的要求,每年可為生產(chǎn)企業(yè)增加可觀的經(jīng)濟效益。
• Since repair of joints and bearings on traditional bridges is costly and disruptive to traffic, a goal of integral bridge design is reduced maintenance, with nearly maintenancefree substructures.
  因為常規(guī)橋臺涉及維修接縫和軸承，因而費用高和有交通干擾。而整體橋臺設計則達到最低維護要求，下部結構幾乎都不需要維護。
• maintenancefree operation
  不需維護的運行
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