synthesis gas的用法和樣例：
例句
- The gas-forming hypotheses are mainly synthetic gas and earth outgas hypotheses.
其成氣假說(shuō)主要有合成氣說(shuō)和地球脫氣說(shuō)。 - Both companies will use the technology to manufacture synthesis gas as feedstock for new methanol plants.
這兩家公司將利用該技術(shù)生產(chǎn)的合成氣，作為新建甲醇廠(chǎng)的原料。
