采用径向导叶的液氢泵的试验结果表明，导叶损失大，导致液氢泵效率低。
The results, which obtained by using radial diffuser, show that due to the high loss through the diffuser, the efficiency of the liquid hydrogen pump is lower.
轴流导叶式气液旋流分离器与其他离心式气液分离器比较，其特点是阻力损失小。
In comparison with other centrifugal gas-liquid separators, the resistance loss of the axial flow guide vane type gas-liquid cyclone separators was less.
本文探讨了通过沿圆周分布不同形状的固定导叶来降低损失，以克服此种蜗壳自身的不足，提高转轮的水力效率。
Different geometry of stay vanes applied to reduce loss is discussed in the paper, so as to compensate lack of spiral casing and improve hydraulic efficiency.
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