相关单词近义词 entrenchment 掘壕沟, encroachment 侵蚀, impaction 装紧, impact 影响临近词impinge, impingement scrubber, Impingement air blast, impingement separator, impingement collector, impingement corrosion, impingement collision, impingement on target, impingement collection, impingement cooled vane, impingement/effusion 返回 impingement