单词	熔(接)(密)封
释义	熔(接)(密)封welded seal
随便看	central computer，cc central computing facility central concentrated load central concentration central conceptual structure central concrete core wall central concrete mixing plant central condensation central conductor central conductor method central cone central confidence interval central conic central console central contact central control central control board central control--board central control{=cc} central control cycle central control desk central control equipment central controller central control line central control module