Sealing coring tools mainly consists of external threaded adapter, balance piston, limit joint, inner and outer barrel, core catcher, locating pin, sealing head and coring bit.
密闭取心工具主要由外螺纹接头、平衡活塞、限位接头、内外筒、卡箍岩心爪、定位销、密封头、及取心钻头等部件组成。
This paper introduces the manufacture of sealing surface (valve body) about great size check valve and analyzes the choices and the decisions about geometrical parameters of tools.
介绍了大口径止回阀阀体密封面的加工方法，分析了刀具几何参数的选择与确定。
The proper method is to use a metal to metal sealing cone. Most cone systems have a male and female shape that has to be manufactured using special cutting tools.
正确的方法是金属对金属的椎面密封。大多数的椎密封可以用特殊的切削工具做成内椎或外椎。
Special rolling tools are designed for machining special gland sealing gears in production and some schemes are put forward to be put into practice.
对生产中所遇到的特殊角度汽封齿的加工问题，设计了专用滚压刀具，并提出了实施方案。
TOP BEST-665 has high surface adhesion force on vacuum bag and a variety of tools. It is cost-effective and shows excellent sealing performance.
TOPBEST-665密封胶带对各种真空袋及复合工具都有高的表面粘着力、优异密封性，是一款高性价比的密封胶带。
Variable bore ram-type blowout preventer, the improved type, is capable of sealing drill tools whose sizes are within a certain range, and has advantages of low cost and convenience.
可变径闸板防喷器作为新型的闸板防喷器，能够密封一定范围内多种规格的钻具，具有成本低，使用方便的优点。
Oil and air lubrication casting tools: the machine manufactured precisely with imported materials, the mold cooling stave fit closely with graphite ring, to ensure oil and air sealing effect.
油气滑铸造工装，采用进口材料精密加工，结晶器冷却壁与石墨环紧密贴合，确保油、气密封效果。
Oil and air lubrication casting tools: the machine manufactured precisely with imported materials, the mold cooling stave fit closely with graphite ring, to ensure oil and air sealing effect.
油气滑铸造工装，采用进口材料精密加工，结晶器冷却壁与石墨环紧密贴合，确保油、气密封效果。
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