膨胀机基础问题? 你上面关于导叶的理解可能有误。 详情可参考api 617,2009年版,第四章,第2.4条款,摘录如下: 2.4.1: each expander shall be equipped with variable inlet guide vanes, variable nozzles, and heat shields. note: variable inlet guide vanes permit the efficient conversion of the head into velocity throughtout the design range of the unit.查看更多