二级头呼吸器
Traditional form:
二級頭呼吸器
Pinyin (reading):
èrjítóuhūxīqì
Definitions:
- (scuba diving) regulator; demand valve
Characters:
- 二 - two; twice
- 级 - level, rank; class, grade
- 头 - head; chief, boss; first, top
- 呼 - to breathe, to exhale, to sigh; to call, to shout
- 吸 - to inhale, to suck in; to absorb; to attract
- 器 - device, instrument, tool; receptacle, vessel
Traditional characters: