By taking 135 three-screw pump as an example, the geometric parameter design, the forming of spiral surface and the characteristic of screw gearing are investigated.
以135型三螺杆泵为例，对螺杆几何参数设计、螺旋型面的形成、螺杆啮合特性进行了探讨。
Variable Angle spiral method was used in a trial way in the design of the warped blader of solid - liquid two phase slurry pump.
采用变角螺旋线法对固液两相流渣浆泵扭曲叶片进行了尝试性设计，并初步总结了其设计方法和规律。
After unit shaft sealing was reformed into spiral dynamic pump sealing in Nanyaheand Gengda hydropower stations, operation defect which existed for many years is disappeared.
南桠河和耿达水电站机组主轴密封改造为螺旋动力泵式主轴密封后，解决了多年存在的运行缺陷。
Long spiral hole pump pressure CFG (Cement Flyash Gravel) pile construction technology has such advantages as small noise, quick construction rate and low construction price.
长螺旋钻孔管内泵压CFG桩成桩混合材料施工方法，具有施工噪音低，成桩速度快，工程造价较低等特点。
The spiral conveyor is sequentially connected with a hydraulic motor, a hydraulic pump, a belt wheel transmission system, an air compressor, a transmission shaft, a gearbox and the like.
螺旋输送器依次连接液压马达、液压泵、带轮传动系统、空压机和传动轴、变速箱等。
The general configuration and theory of the spiral centrifugal pulp pump were introduced. The key technologies of the new product design were summarized.
介绍了螺旋式离心泵的基本结构和原理，对新产品设计过程中需要解决的技术问题进行了总结。
The water filling and pressure maintaining system mainly included: pressure pump and its control device, blockage end at the spiral case inlet, sealing ring on the stay ring of turbine, etc.
蜗壳内充水保压系统，主要包括加压水泵及其控制装置、蜗壳进口闷头、座环密封环等组成。
Serious necking quality problems often appear when the CFG piles construction technology of long spiral drill pipe by pump pressure apply in some disturbed sensitive soil areas of Taiyuan.
长螺旋钻管内泵压CFG桩施工技术在太原部分地区扰动敏感性土中应用时，常出现严重缩径质量问题。
After unit shaft sealing was reformed into spiral dynamic pump sealing in Nanyaheand Gengda hydropower stations, operation defect which existed for many y...
南桠河和耿达水电站机组主轴密封改造为螺旋动力泵式主轴密封后，解决了多年存在的运行缺陷。
The utility model relates to a discharge silencer with raffinate recovering function, arranged on the spiral rod type vacuum pump which sucks gas with coagulability matters.
本实用新型涉及一种设置在吸入含有凝结性物质的瓦斯的螺旋杆型的真空泵的排出管路上的消音器。
The present situation and advance in development of a spiral grooved turbo booster pump are reviewed.
综述了涡轮分子增压泵的研究现状与进展。
The utility model relates to a rotary-vane vacuum pump, which provides a column spiral torsional spring which is used for replacing a column spiral compressing spring.
本实用新型涉及旋片式真空泵，提供一种圆柱螺旋扭转弹簧，用它取代圆柱螺旋压缩弹簧。
The utility model relates to a rotary-vane vacuum pump, which provides a column spiral torsional spring which is used for replacing a column spiral compressing spring.
本实用新型涉及旋片式真空泵，提供一种圆柱螺旋扭转弹簧，用它取代圆柱螺旋压缩弹簧。
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