液压件是煤矿液压支架的重要部件， 系统的各项动作主要靠液压油缸来完成。
The hydraulic cylinders are critical components of mine bracket-mounted crane, almost all the movements of the crane are carried out by the hydraulic cylinders.
通过对集贤煤矿地质概况进行分析，决定采用倒牵式回撤综采液压支架。
By analyzing the geological situation of Jixian Coal Mine, the inverted-led withdrawing way of fully mechanized mining hydraulic supports is applied.
介绍了一种适应于煤矿井下液压支架使用的高压、大流量、操作力矩小的先导式平面截止阀，并详细介绍了其工作原理、结构和使用性能特点。
A cut-off plane valve applicable for the hydraulic shield in the coal mine is introduced, which has the feature of high pressure, large flux and small handling moment.
介绍轻型放顶煤液压支架(下文简称轻放支架)配套平板车的设计过程及轻放支架在煤矿地面、井下的运输过程。
This paper introduces the design of light-duty roof caving coal hydraulic support equipped with flat tramcar and transportation on ground and under ground.
公司专业生产工程机械、煤矿机械配套产品，掘进机、采煤机、液压支架软管等零部件配套企业。
Company specializing in the production of engineering machinery, mining machinery products, boring machine, shearer, hydraulic hoses and other parts stent supporting enterprise.
对于各种不同的煤矿开采条件，应当选择与之适应的液压支架架型。
For all sorts of different coal mining conditions, we should choose to suitable hydraulic support type adapting to the new environment.
该机为煤矿维修单机液压支架而研制的配套设备之一。
This machine is one of the corollary equipment for repairing single hydraulic support.
液压支架是煤矿综合机械化采煤的关键设备，双伸缩立柱是液压支架的关键零部件。
Hydraulic support is the key equipment of mechanized coal mining. The double-telescopic prop is the key component of hydraulic support.
液压支架是煤矿综合机械化采煤的关键设备，双伸缩立柱是液压支架的关键零部件。
Hydraulic support is the key equipment of mechanized coal mining. The double-telescopic prop is the key component of hydraulic support.
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