improvement in railway technology

基本解釋

• [經(jīng)濟(jì)學(xué)]鉄路技術(shù)改造

英漢例句

雙語例句

• In the field of railway construction in China, innovation and improvement in technology are always the top of the priorities.
  在我國鉄路建設(shè)中，技術(shù)創(chuàng)新、技術(shù)改造的工作歷來都是國家鉄路建設(shè)的重點(diǎn)。

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專業(yè)釋義

經(jīng)濟(jì)學(xué)

• 鉄路技術(shù)改造