four-stroke engine
英
美
- 四冲程式发动机
new
four-stroke engine的英文翻译是什么意思，词典释义与在线翻译：
英英释义
Noun:
-
an internal-combustion engine in which an explosive mixture is drawn into the cylinder on the first stroke and is compressed and ignited on the second stroke; work is done on the third stroke and the products of combustion are exhausted on the fourth stroke
