基本解释adj.不漏油的n.油封同根派生 oiltight相关词英汉例句Analysis on Combinatory Seal of Back Blade and Oiltight 背葉片與油封的組郃密封特性分析conic oiltight hatchcover 圓錐形油密艙口蓋An oiltight bulkhead 油滲不進的艙壁oiltight bulkhead 不滲油艙壁oiltight更多例句