煤的可采储量的英文

• economic coal reserves
• workable coal reserves

• 煤:    coal
• 的:    4次方是 The fourth power of 2 i ...
• 可采储量:    workable reserves; recoverab ...
• 【矿物】可采储量。:    recoverable reserve
• 不可采储量:    unrecoverable reserves