This paper introduces the process of repairing hydraulic cylinder by using boring and rolling combined working technology, working quantity is steady and production efficiency is high in this method.
介绍了用镗滚压复合加工技术修复液压缸筒的过程，此法修复缸筒质量稳定，生产效率高。
The influence of pollution removal efficiency and mechanism analyses if adjusting soil depth, the quantity of EM, hydraulic loading period.
土层厚度、EM投加量、水力负荷周期对污染物去除效果的影响及机理分析。
The ram pump service life's length, with the usual maintenance maintenance, hydraulic fluid quantity and the quality, the fat liquor cleanliness and so on concerns.
柱塞泵使用寿命的长短，与平时的维护保养，液压油的数量和质量，油液清洁度等有关。
Concerned with welding problems of stainless steel casement for repairing hydraulic prop, we design special jig to thoroughly solve welding quantity problems of stainless steel casement.
针对修复单体液压支柱时不锈钢镶套的焊接难题，设计了专用工装夹具，使不锈钢镶套的焊接质量问题得到了彻底解决。
When using the hydraulic drawworks, it occurred frequently the load descend phenomenon in starting, the direct ratio relation of descend to load quantity is discovered.
在使用中发现，液压绞车启动初期常会出现负载下滑现象，下滑距离与负载大小成正比。
It utilized hydraulic press transducer and adopted PLC as the core of the system, which realized no electrical quantity at measure point.
它采用可编程控制器(PLC)作为系统的运算控制核心，利用液压式压力发生器，实现了测量点处无电气量。
The influence factors for removal efficiency sorting by priority are hydraulic loading period, the appending quantity of EM rejuvenation, soil depth.
影响各污染物去除效果因素的主次为，水力负荷周期、EM投加量，土层厚度。
Based on the comparison and the analysis of the norm method and the real object quantity method, they have the merit and defect in the work cost management of hydraulic and hydroelectric projects.
通过定额法与实物量法的比较分析，两者对水利水电工程造价管理具有一定的指导意义。
The hydraulic calculation for cleaning of alluvial plain in the tailrace outlet section of Jintang Hydropower Project was made to reduce excavation quantity of the alluvium plain o…
在上游蓄水高程一定的情况下，尽量保持尾水出流平顺和降低尾水高程是增加电站机组出力、提高经济效益的重要手段。
The hydraulic calculation for cleaning of alluvial plain in the tailrace outlet section of Jintang Hydropower Project was made to reduce excavation quantity of the alluvium plain o…
在上游蓄水高程一定的情况下，尽量保持尾水出流平顺和降低尾水高程是增加电站机组出力、提高经济效益的重要手段。
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