10억 세제곱미터를 나타내는 부피의 단위로, 주로 천연가스 산업에서 사용됨.
A unit of volume measurement equal to one billion cubic metres, typically used to measure natural gas quantities.
예문:
"The country's annual natural gas consumption reached 50 bcm last year."
"The new pipeline has a total capacity of 30 bcm per year."
"Analysts predict that demand will increase by 5 bcm over the next decade."