economically recoverable的用法和樣例：
例句
- A unproved mining area refers to a mining area in which no economically exploitable reserve has been proved yet.
未探明礦區，是指未發現探明經濟可采儲量的礦區。 - The accuracy of CBM recovery factor prediction will directly influence the calculation of recoverable reserves.
摘要煤層氣預測採收率準確與否，直接影響著可采儲量的計算精度。
