The test shows that double press bar top pin in back zone draft set has bigger control of slivers in back zone,and can enhance back zone draft ability of spinning frame,increase draft multip...是什么意思_The test shows that double press bar top pin in back zone draft set has bigger control of slivers in back zone,and can enhance back zone draft ability of spinning frame,increase draft multip...在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句