例句 /

Carbon dioxide is a species of weak acidic gas, it is a erodent in oil and gas industries, its content in natural gas may vary from trace to more than 0%.

Carbon dioxide is a species of weak acidic gas, it is a erodent in oil and gas industries, its content in natural gas may vary from trace to more than 0%.

二氧化碳是一种弱酸性气体,它在石油及气体工业中是一种腐蚀剂,它在天然气中的含量少则痕迹,至0%以上。