inclination of spiral channel [物] 抛道倾斜角
spiral-channel 螺旋槽
aerated spiral-flow grit channel 曝气螺流沉沙槽 ; 曝气螺旋流
spiral flow channel 螺旋形流道
spiral ring-shaped channel 螺旋环形通道
The spiral separating plate and the shell of a tank body form a descending spiral channel.
螺旋分离板与罐体外壳构成一下降螺旋 通道；
The end surface of spiral channel is sealed by welding, therefore the sealing performance is good with reliable structure.
螺旋通道的端面是焊接密封的，密封性能好，结构可靠。
It is shown that there are two regions in the cyclone, the steadily tangential flow in the spiral channel and the combined vortex flow in the centre.
计算结果表明，旋风分离器内部的流场分为两部分：螺旋通道内比较稳定的流场和筒体中心区域的复合涡结构流场。
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