Hence, research of the shield cutters cutting soilmechanism plays a very important role in the design of shield cutting pan.
3
主要生产、经营各种型号硬质合金钎(钻)具、热熔钻、硬质合金盾构刀具等。
The main production and management for various models of cemented carbide brazed (drilling) equipment, hot melt drilling, carbide cutting tools, such as shield.