专用内斜风道确保迸入进风窝壳内的物料能顺利地沿着斜面落入磨机内。
Private intilted air course makes sure the materials in the girding chamber enter into the mill along the inclined plane.
奇怪的是，喜鹊就地取材搭的窝八九级风也吹不掉，而我们用新材料做的广告牌遇七八级风就开始砸车。这究竟是为什么？
It is surprising that gales are unable to blow magpie nests out of the trees, but the billboards people make with new materials fall down in strong winds and hit cars on the street.
本文对三种窝形翅片管——单面球形窝、单面柱形窝、双面球形窝与普通光滑平板式翅片管在吸风式直流风洞上进行了性能对比实验研究。
A performance comparison experimental research of three kinds of socket-shape fins and plain-plate fin is carried out in a drawing wind tunnel.
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