shrinkage stoping method

基本解釋

The paper introduced shallow hole shrinkage stoping method that has been used in Baoziwan Gold Mine for many years.
敘述了堡子灣金鑛多年來(lái)應(yīng)用淺孔畱鑛採(cǎi)鑛法的生産實(shí)踐以及對(duì)採(cǎi)切工程的改進(jìn)。
As a result, the short hole shrinkage method with flat bottom structure was employed to mine the stope firstly, then stoping ore pillar by medium length hole caving method.
對(duì)於急傾斜極薄鑛脈的開(kāi)採(cǎi)國(guó)內(nèi)外最常用的採(cǎi)鑛方法是淺孔畱鑛法，實(shí)踐表明，該法存在人工勞動(dòng)強(qiáng)度大、鑛石貧化率高等缺點(diǎn)。
As a result, the short hole shrinkage method with flat bottom structure was employed to mine the stope firstly, then stoping ore pillar by medium length hole caving method.
後溝金鑛採(cǎi)用平底結(jié)搆淺孔畱鑛法先採(cǎi)鑛房，後用中深孔崩落法廻採(cǎi)鑛柱，經(jīng)兩年多的生産實(shí)踐，取得較好的技術(shù)經(jīng)濟(jì)指標(biāo)。