例句與造句

1. specification for carbon-graphite sealing ring for mechanical seals
   機械密封用碳石墨密封環(huán)技術(shù)條件
2. our main products are silicon carbide, alumina ceramic, tungsten carbide, and carbon-graphite seal rings
   我們的主要產(chǎn)品是碳化硅、硬質(zhì)合金、碳石墨密封環(huán)和氧化鋁陶瓷制品。
3. It's difficult to find graphite seal in a sentence. 用graphite seal造句挺難的