常見(jiàn)例句Analysis on Combinatory Seal of Back Blade and Oiltight 背葉片與油封的組合密封特性分析conic oiltight hatchcover 圓錐形油密艙口蓋An oiltight bulkhead 油滲不進(jìn)的艙壁oiltight bulkhead 不滲油艙壁 返回 oiltight