拜求高手翻译成英文

In recent years mainly from the original three-tier coal and gas as well as relieving coal 9-storey rock bottom line of coal gas. Drainage of which focus on +600 m new central shaft of the Shihmen. To ensure that the Shihmen wearing floor Meixian normal 9-storey coal excavation in the vicinity of the roadway to help out excavation and drilling edge technology, from driving face head-on to return 10 M, in the port of thought on both sides of four gas Shou Choi bored.

In recent years mainly extracts three coals to be primitive and release of pressure gas as well as nine coal ledger wall rock layer coal line gas. And pulls out puts is with emphasis +600 m new vice-vertical shaft central Shimen. In order to guarantee that this Shimen puts on nine coal ledger wall Mei County normal tunneling, adopted the lane in this place to help the drill hole to dig while pulls out the technology, returned 10M place directly from the tunneling working surface, was thinking that both sides variou