柱式開采 的英文怎麼說
中文拼音 [zhùshìkāicǎi]
柱式開采
英文
pillar and post work-
Application of pedrail - walking type hydraulic supports in board and pillar mining method
房柱式開采中履帶行走式液壓支架的應用Test research on permanent pillar mining with coal refuse backfilling
矸石充填巷式開采永久煤柱試驗研究Study of mine pressure with room - pillar mining in nantun coal mine
南屯煤礦房柱式開采礦山壓力研究Pillar and post work
柱式開采Heading and stall method
房柱式開采法分享友人