undeveloped reserves的用法和樣例：
例句
- Optimal selection of reserve parameters is the key to calculate the reserves of litho-logic gas reservoirs.
計算岩性氣藏儲量關鍵是選擇好計算儲量的參數。 - Many oil and gas reservoirs in China are recovered through maintaining pressure, and some depleted reservoirs are stimulated for their gas reserves.
摘要目前我國許多油氣藏採用保壓開採措施生產，對部分衰竭油氣藏進行儲氣庫改造措施。
