quill是什么意思? quills是衬套,不是quill的复数形式. adequate distribution through single or multiple injection points with quills to assure reac surfaces are washed. 通过单个或多个有衬套的喷射点来分配, 并保证反应器表面都被洗过. http:///dict_result.aspx?tjtype=all&searchword=quills , 看看上面的连接就知道了.查看更多