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- 钻具钢G105steel G105
- 淬硬模具钢hardened mould steel
- 钻具drilling tool
- G105钢级钻杆G105 drill pipe
- 铸造压铸模具钢die-casting die steels
- G105钻杆G105 Drill
- 精铸模具钢基表面复合材料的研究Study on Die Cast Steel Matrix Surface Composite
- 石油钻杆用G105级钢grade G105 steel for oil drill pipe
- 精铸模具钢热锻模的应用及寿命的提高Application and Improvement of Service Life of Hot-forging Dies Prepared by Cast Steel
- 变向涡轮钻具deflecting turbodrill
- 压铸模具钢的选择与提高压铸模寿命的途径Selection of Tool Steel and Way of Prolonging Service Life for Die Casting Die
- 钻具组drill set
- 高速铣削淬硬模具钢的工艺性与经济性研究Study on Processing Property and Economical Efficiency for High-Speed Machining of Hardened Steel
- 断钻具drill tool breaking
- 含硫量对铝压铸模具钢H13抗热疲劳性能的影响The Effects of Sulfur Content on the Thermal Fatigue Behavior of H13 Steel for Aluminum Die Casting Dies
- 解开所有钻具。Get all the drilling tools unlashed.
- 氮气油雾介质下淬硬模具钢高速铣削时铣削力的研究Study on the Force of High Speed Milling of Quench Hardening Steel with Nitrogen Media
- 钟摆钻具带液力推力器组合提高大倾角地层钻井速度试验EXPERIMENTS OF PENDULUM ASSEMBLY WITH HYDRAULIC PROPULSION DEVICE TO IMPROVE PENETRATION RATE FOR FORMATIONS WITH BIG DIP ANGLE
- 采用合金磨具钢，唇口浇铸合金，具有耐磨、耐高温，抗变形等特点。Using alloy steel,lips mouth casting hard alloys with wear-resisting,withstand high temperatures,resist deformation characteristics.
- 钻具牙柱Teeth of drill bit
