impactor
/ɪm'pæktə/
n. 撞击器；悬浮
粒的取样器
粒的取样器cascade impactor 
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multistable, multistage, multistage-separation, multistaging, multistate, multistation, multistep, multistorey, multi-storied, multistory,
相似单词
impactful, impaction, impactite, impactive, impactometer, impactor, impactsound, impaint, impair, impaired,