在採鑛场上採用複式鑿岩方法进行採鑛,用更少的人力,完成更多的任务,保证供给選鑛以足够的鑛石,是发挥井下潛在能力,增加國家財富的基本作业方法,也是今后採鑛作业發展的一個方面。在社会主义国家蘇聯的许多鑛山,已广泛的推行了揚金的複式鑿岩与多掌子複式鑿岩。一個工人在一個採鑛原班内,操作5～6台机器, In the mining field using double rock drilling method for mining, with less manpower to complete more tasks to ensure the supply of mineral processing to enough ore, is to tap the underground potential capacity, increase the country’s wealth of basic operating methods, It is also one aspect of the development of mining operations in the future. In many mines of the Soviet Union in the socialist countries, Yang Jin’s compound rock drill and multi-fold rock drill have been widely implemented. A worker in a mining class, operating 5 to 6 machines,