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  •       井筒是指在井工采礦或地下工程建設,從地面向礦體開(kāi)鑿的垂直或傾斜工程,垂直的工程稱(chēng)為立井,傾斜的工程稱(chēng)為斜井。井筒是礦井通達地面的主要進(jìn)出口,是礦井生產(chǎn)期間提升運輸煤炭(或矸石)、運送人員、材料和設備以及通風(fēng)和排水的咽喉工程。弘霖礦建從事多年礦山井筒施工,聯(lián)系電話(huà):137-0498-5658 劉總




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