Owing to the advantages of high efficiency, low consumption and safety, the pneumatic down-the-hole hammer (DTH) is widely used in the realm of water well drilling, mining, etc.

• 气动潜孔锤钻进技术以其钻进效率高、低耗、安全等优点被广泛应用于水井钻凿、矿山开采等领域。