常见例句雙語例句The scheme for reforming air preheater and how to reduce the ratio of air leakage are analyzed. it is useful for power plant economic operation.通過對廻轉式空氣預熱器改造的方案及措施分析，闡述了降低預熱器漏風率對電廠經濟運行所帶來的好処。 返回 economic useful plant