短語詞組短語Cut rack anchor bar 橫齒桿rack bar sluice valve 齒條式閘門閥mobile relay rack bar 插拔式繼電器盤injector rack bar 噴油器齒條桿bar rack 棒材料架bar storage rack 棒材料架two bar joist rack structures 二桿桁架 返回 rack bar