更新1:
what breathing system contracts when breathing in
what system contracts when breathing in?
回答 (1)
2015-11-20 8:04 am
✔ 最佳答案
A breathing system for divers includes a breathing bag from which the inhalation gas to the diver is delivered and to which the exhalation gas from the diver is supplied, a compressed gas source for the supply of breathing gas。
收錄日期: 2021-04-18 14:07:12
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https://hk.answers.yahoo.com/question/index?qid=20151114205533AAb5xwP