例句與造句

1. robust body with raised seating surfaces ground to mirror-like finish . hard plug and body seat facings available . body and plug seats protected from line media in open-close positions
   堅(jiān)固耐用的閥體，配置具有研磨鏡面光潔度的凸面閥座表面?？商峁﹫?jiān)硬的閥塞和閥體閥座面。在開(kāi)啟-關(guān)閉位置，可防止管路流體介質(zhì)進(jìn)入閥體和閥塞閥座內(nèi)。
2. It's difficult to find plugging seat in a sentence. 用plugging seat造句挺難的