固定导 meaning in English

fixed guide vanes

90 countersinks with parallel shank and solid pilot
直柄固定导杆的90沉头钻
Counterbores with parallel shank and solid pilot
直柄和固定导杆沉头钻
Tool for pressing - fixed guide bush
冲压工具.固定导套
According to the results of analysis , the shape of the spiral case and stay vanes were improved to reduce the hydraulic losses
根据解析结果，对涡壳和固定导叶进行了改进以减少水力损失。
Also , the chamfer of the stay vanes entrance and the surface roughness of the flow channel were optimized by the numerical investigations
亦对固定导叶入口冲角、涡壳壁面粗糙度对流动的影响进行了定量分析。