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- Blending Technique of Fly Ash in Concrete for Internal Pumping-Pressurizing CFG Pile with Long Spiral Drilling Pipe 长螺旋钻管内泵压CFG桩混凝土中粉煤灰的掺加技术
- long spiral drilling pipe 长螺旋钻
- The main products are:Slick Drill Collar,Spiral Drill Collar,Nonmagnetic Drill Collar,Heavy Weight Drill Pipe,square and hexagonal Kelly. 并可承接特殊规格的石油钻具产品的生产。
- Application of long spiral drilling pressed concrete cut-sprinkling pile 长螺旋钻孔泵压混凝土后插筋灌注桩的应用
- long spiral drilled press-grouting 长螺旋混凝土压灌桩
- long spiral drilled press-grouting pile 长螺旋压灌桩
- long spiral drilling machine 长螺旋钻机
- The spiral drill collars are being tried to use. 螺旋钻链正在试用。
- long spiral drill 长螺旋钻
- The drill pipe that was broken has been found. 断了的钻杆被找到了。
- Drill pipe threads are not cleaned in that way. 钻杆丝扣不是那样清洗的。
- The right thing to do now is to bent a drill pipe. 现在要做的事是拉弯一根钻杆。
- Make up 15 joints of 5" HW Drill pipe. 接上15根5"加重钻杆。
- Problems of Cast-In-Place Piles With Pumping Concrete From Long Spiral Drilled Holes Used In Chang San Jiao 长螺旋钻孔压灌桩在长三角地区应用中出现的问题
- CONSTRUCTION TECHNOLOGY AND QUALITY CONTROL OF CAST-IN-PLACE PILES WITH PUMPING CONCRETE FROM LONG SPIRAL DRILLED HOLES 长螺旋干成孔泵压混凝土灌注桩施工技术与质量控制
- Drill pipe corrosion results from oxygen acting on metals. 钻杆的腐蚀来自氧对金属的作用。
- Spiral drill collars made in our plant are in accordance with API standard. 本厂制造的螺旋钻铤按照“API”标准生产和验收。
- Petroleum and natural gas industries - Aluminium alloy drill pipe. 石油天然气工业-铝合金钻杆。
- The stand pipe pressure (drill pipe pressure) is 10kg/cm2. 立管压力(钻杆压力)10公斤/厘米2。
- Must these drill pipes be measured again? 这些钻杆必须再量一次吗?