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二级头呼吸器
èr​jí​tóu​hū​xī​qì

regulator

Definitions Defs Origin Strokes Stroke Words Sentences Sents
二级头呼吸器 (二級頭呼吸器) èr​jí​tóu​hū​xī​qì
regulator
(scuba diving) regulator; demand valve

Sources

Definitions
CC-CEDICT