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- tubular column drilling method 管柱钻孔法
- Supprot coated open tubular column, SCOTwq! 载体涂层毛细管柱
- Engineering practice shows that tubular drill is a high efficient drilling method, which has accumulated experience on all right drilling hole for the large floating rock and screed stratum. 工程实践表明,筒钻法对大漂石和卵石地层钻进成孔是非常有效的,这为该类地层的顺利成孔积累了成功的经验。
- This drilling method is simple operated and quite fit for worksite operation. 该方法操作简单,非常适合于现场操作。
- A new type of strongly polar organic polymer porous layer open tubular column (OPPLOT-A) was prepared by in situ copolymerization of acrylonitrile and divinylbenzene. 以丙烯腈为单体,二乙烯苯为交联剂,采用原位聚合法制备出了强极性的有机高聚物多孔层开管柱-OPPLOT-A型柱。
- Drilling method of pin hole: the pin hole shall be predrilled by supplier prior to hot dip galvanization. 销钉孔的钻法:销钉孔应为供应商在热镀锌预钻好。
- The hole drilling method is presented to measure residual stresses in orthotropic materials. 讨论了小孔法测量正交各向异性材料残余应力。
- It is found that mechanism which improves seismic performance of steel bridge pier: Inner cruciform plates changes local deformation mode of tubular column and improves strength and ductility. 明确了十字形钢板改善桥墩抗震性能的机理:十字形钢板的设置改变了钢管局部变形的模态,从而提高了结构的延性和承载力。
- The service Department of Nitro Nobel AB has developed a drilling method which can also be used in sandpits to eliminate overhang. 诺贝尔炸药公司业务部研究成功一种打眼方法,可以用来排除采砂场中的突出部分。
- According to the exploration problems in an open-pit mine,a new drilling method using reverse circulation DTH hammer drill is put forward. 针对露天矿钻探施工中存在的问题,提出了利用贯通式反循环潜孔锤进行施工的新方法。
- The causes of using traditional wet drilling difficultly are analysed. And the wet drilling method of the coal electric drill of external spray hydroelectric interlock is related. 分析了传统湿式打眼难以推广应用的原因,叙述了外喷雾水电联锁煤电钻湿式打眼法。
- Support coated open tubular column, SCOT 涂载体空心柱
- vertical round column drilling machine 圆柱立式钻床
- For coal spontaneous combustion in roadway, the test drilling method is applied and then the mud fluid or water is grouted for rescue work in practice of coal mine. 摘要对于巷道自然发火,我国当前煤矿现场往往采用试探法打钻,然后灌注泥浆或水实施救灾。
- WCOT: Wall Coated Open Tubular column 壁涂开管柱
- Wall treated open tubular column 处壁开管柱
- SCOT: Support Coated Open Tubular column 载体涂渍开管柱
- Strain gage hole drilling method is one of the most popular residual stress measurement methods. 应变片钻孔法是工程中应用最广的残余应力测量方法之一。
- Immobilized phase open tubular column 固定化相开管柱
- porous layer open tubular column 多孔开口管柱