单词	patentability
释义	请查阅词条：patent
随便看	shooting shooting board shooting box shooting brake shooting coat shooting galleries shooting gallery social graces social grace(s) social graph social group social habit social historian social-historical social history social housing social imperialism social imperialist social indiscretion social inquiry report social insurance social intercourse socialisation socialisations socialise 枯朽枯槁枯水期枯涩枯焦枯燥枯瘦枯窘枯竭枯肠 Rückschlag Rückschlagklappe Rückschlagklappenventil Rückschlagkugelventil Rückschlagplattenventil Rückschlagsicherung Rückschlagtellerventil Rückschlagventil Rückschlagvintilkappe Rückschlagzündung