A.瓦斯儲(chǔ)存 B.水文地質(zhì) C.礦山地質(zhì)
A.增水壓開(kāi)采 B.帶水壓開(kāi)采 C.減水壓開(kāi)采
A.以風(fēng)定產(chǎn) B.先抽后采 C.監(jiān)測(cè)監(jiān)控