vanes的例句（vanes在句子中的用法）

• Straightening vanes are effective in reducing the upstream pipe - length requirement. 矫直的叶片对于减少上游直管的要求长度是有效的.
• Straightening vanes can be used where long straight ways are not possible. 在不可能安装较长的直管段情况下,可以来用导流叶片.
• Erosive action is achieved at each contraction where a pair of opposing vanes are installed. 在每个收缩区段中相对地设置一对叶片,都起到了冲洗作用.
• Do the vanes in the figure rotate clockwise or counterclockwise? 图中叶片的旋转方向是顺时针的,还是反时针的?