Sewing machine parts, Air stapler and nailer parts, Drill bit body, lock parts.
工业缝纫配件，射钉枪配件，工矿钻头类，锁配件。
Uses the special die head, may the diamond drill bit agglutination on the lining.
采用特殊模头，可以将水钻粘合在面料上。
Perturbation stochastic FEM analysis for weight on bit fluctuation of drill string
钻压波动对轨迹影响得摄动随机有限元分析
The rotary carriage provides rotary and vertical motion to the drill string and bit.
转动滑架为钻柱和钻头提供转动和垂直移动。
HSS drill bits, auger bit, drillsconcrete core drill bits and chisels, masonry drills.
我司生产各种高速钢麻花钻，以及木工系列，冲击钻系列。
Study on rock mechanics parameters and drill bit selections for Liuhua oilfield in South China Sea
流花油田地层岩石力学参数评价及钻头选型技术
The results show that longitudinal vibration of drill string is relative to rotary speed and weight on bit.
实验结果表明，钻柱的纵向振动主要与转速和钻压有关。
And increasing weight on bit can prevent irregular swaying and regular whirling from appearance at the bottom drill string.
增加钻压会阻碍底部钻柱无规则摆动和规则涡动的形成。
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