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- The marine pile driver has a hydraulic hammer. 水下打桩机有一个液压锤。
- a hydraulic prop 液压支柱
- This paper deals with the finite element model of DWX hydraulic prop in aid of Pro/MECHANICA. 本文用Pro/MECHANICA有限元分析软件,建立了柱塞悬浮式液压支柱的有限元模型。
- On the basis of the theory of probability, this paper analyzes stability for the hydraulic prop. 用概率理论分析了单体液压支柱的稳定性问题。
- The technical principle and structure characteristics of suspended column-piston hydraulic prop were introduced. 摘要介绍了柱塞悬浮式液压支柱的技术原理和结构特点；
- Drawing top-coal affects the stability of support sys tern, especially the stability of the end row hydraulic prop. 放煤对支护系统稳定性的影响主要体现在末排支柱稳定性的变化。
- This paper introduces a new type rotatable hydroclamp to disassemble hydraulic prop and its structure,working principle,test,application. 介绍一种用于单体液压支柱拆卸的新型液压夹紧装置及其结构,分析了工作过程,工作原理,试验、应用情况,指出了这种装置的优越性。
- The reasons of surface crackle of left valve barrel single hydraulic prop are researched with metalography analysis and test. 采用金相分析、化验等手段，研究了单体液压支柱左阀筒表面裂纹成因。
- Further description is made on the application and testing results of hydraulic prop in the deep well mining of slowly inclined thin ore vein. 还进一步介绍了水压支柱在深井缓倾斜薄矿脉开采中的使用情况和一些测试结果。
- The test tube is closed at one end with a hydraulic seal. 试管的一端为水封所封闭。
- Aiming at a series of problems in the management of individual hydraulic prop,this paperintroduced an information management system of individual hydraulic prop based on M-BUS. 针对目前单体液压支柱管理中存在的一系列问题,文章介绍了一种基于M-BUS的单体液压支柱信息管理系统。
- Originally it was the safety valve for a hydraulic plant. 它最早是一家水电厂的安全闸阀。
- The new type hydraulic prop reduces the accidents due to the seal leaking by using seal-compensation and seal-swelling, and reduces seal change times and maintenance times. 新型液压支柱采用密封补偿和密封胀紧等密封方式，可减少因密封泄漏而造成的冒顶等事故隐患，减少密封更换次数及维修次数。
- Using individual hydraulic prop in thin coal seam face is better than the others in the aspect of support strength,premary supporting force,shrink amount and safety. 在薄煤层工作面中使用单体液压支柱，在支护强度、初撑力、可缩量、安全保障及操作人员安全上，都优于其它单体支护材料。
- If you winch all day long, then consider a Hydraulic winch. 如果您绞车所有一天，然后考虑液压绞车。
- The paper introduces a kind of method to quick restore the single hydraulic prop cylinder by non-thinning wall way. The method has achieved good economic results in coal mines. 介绍一种修复单体液压支柱油缸的方法;这是通过不减壁方式达到快速修复的方法;在煤矿中已取得了很好的经济效果.
- The article summarize by the numbers construction practice and mine of high effciency on safety in the single hydraulic prop cannon coal face and quality in Huainan mine area. 文章系统地总结了淮南矿区单体液压支柱炮采面安全高效开采的基本经验和具体做法,提出了淮南矿区单体液压支柱炮采面今后的发展方向。
- The cab dimensions are unique for a hydraulic excavator of this weight class. 司机室尺寸是此重量级别液压挖掘机所特有的。
- Postflight check found a hydraulic line of L LDG leakage out of limits. 航后检查发现左起落架一液压管漏油超标。
- The main brake system utilizes either a band brake or a hydraulic disc brake. 主绞车的主刹车系统既可采用带式刹车，亦可采用液压盘式刹车。
