密閉式循環再呼吸水肺系統 mì bì shì xún huán zài hū xī shuǐ fèi xì tǒng

secret; confidential; close

to close; to shut; to stop up

style; type; form

to follow; to abide by; to adhere to

ring; to surround; to encircle

again; once more; re-

to call; to call out; to shout

to inhale; to breathe; to absorb

water; liquid; beverage

lung

department; faculty; system

whole; to unite; to unify