“四冲程内燃机”的概念、定义、翻译、参考文献-科学参考

单词	四冲程内燃机
释义	四冲程内燃机 Encyclopedia 工学四冲程内燃机释 four stroke internal combustion engine四冲程内燃机完成一个工作循环需要进气、压缩、膨胀（做功）以及排气四个独立冲程的内燃机。
随便看	Puran Chandra Joshi Purbach crater Purcell Purcell, Edward Mills Purcell effect Purcell Pound experiment Purcell-Pound experiment purchase and sale prices of agricultural products purchase and sales contract purchase center purchase contract purchase expenditure management purchase management Purchase Motivation purchase of blasting materials Purchase of silk purchases amount Purchase Situation Purchase Tribute purchasing agency purchasing commission purchasing cost purchasing decision purchasing managers' index Purchasing mode management

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。