water infusion into coal seam

英 美
  • 煤层注水
  • coal n.煤;木炭vt.烧成炭;供应煤vi.加煤;装煤
  • infusion n.注入;灌输;激励;泡制
  • into prep.到...里;进入;朝;除;对...有兴趣
  • seam n.缝;接缝vt.缝合;接合;使有纹vi.有裂缝
  • water n.水;海域;雨水;海水v.给...浇水;给...供水;加水稀释;充满眼泪;给...水喝