high efficiency and energy-saving的用法和樣例：
例句
- The indirect dryer is a new type energy conservative dryer.
間接式干燥機是一種新型高效節能的干燥設備。 - Application of a wide range of products and highly efficient energy-saving, low prices, production Hange is the preferred gas.
產(chǎn)品應用范圍廣，高效節能，價(jià)格低廉，是企業(yè)生產(chǎn)焊割用氣的首選。
