... spiral plate heat exchanger 螺旋板热交换器 spiral pump 螺旋泵 spiral ratchet screwdriver 螺旋槽棘轮旋凿 ...
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double spiral pump 双螺旋泵
labyrinth spiral pump 迷宫螺旋泵
non-block spiral pump 螺旋不赌式泵
spiral blood pump 螺旋血泵
spiral induction sodium pump 螺旋式感应钠泵
spiral centrifugal pump 螺旋式离心泵
spiral-gear pump 斜齿齿轮泵
spiral gear pump 螺齿轮泵
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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。
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