economic useful plant

常見例句

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(zhuǎn)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(jīng)濟運行所帶來的好処。
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