competitiveness of petroleum refining plant的用法和樣例：
例句
- The most valuable use of refinery gas is for hydrogen production.
煉廠(chǎng)氣最有價(jià)值的應用是用于生產(chǎn)氫氣。 - Emission sources in this plant are irregular and unrestrained effluent surface sources and data are collected by detecting representative points in the said area.
煉廠(chǎng)排放源為不規則的無(wú)組織排放的面源，數據在該區域具有代表性的點(diǎn)上測出。
