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