Read Edit View history 一級頭 yījítóu first stage Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 一级头/ 一級頭 yījítóu first stage The first stage of a scuba diving regulator, which reduces high-pressure air from the tank to an intermediate pressure. Edit Delete References Add reference No references for this word.
一级头/ 一級頭 yījítóu first stage The first stage of a scuba diving regulator, which reduces high-pressure air from the tank to an intermediate pressure. Edit Delete