“储量”用英语怎么说

未开采的石油储量untapped reserves of oil煤储量很难探明.It's difficult to ascertain the coal deposits.随着大型油井的枯竭，要想从北海的石油和天然气开采中盈利，必须着力于开采小储量的油井。To harvest oil and gas profitably from the North Sea, it must focus on the exploitation...

“储量”的拼音为：chǔ liàng...