hermeticadj.密封的;与外界隔绝的;深奥的;炼金术的
hermetically sealed silo雌雄同体(现象)
hermetic turbocompressor封闭式透平压缩机
hermetically sealed motor密封式电动机
hermetic enclosure header密封体引线头
hermetically sealed relay密封式继电器
hermetic sealing technique密封技术
hermetically sealed coffin经紧密加封的棺木
"this bag is hermetically sealed"