“零类”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194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。

单词	零类
释义	零类 null class
随便看	winceyette winch winch barrel winch brake band spring winch brake case winch cable winch cable clamp winch cable drum winch cable guide winch capacity winch capstan winch(capstan) winch chain winch chain and sprocket winch clutch winch deck winch drag brake winch drawn dung channel scraper winch drive shaft winch drive shaft universal joint winch driving gear winch driving sprocket winch drum clutch shift fork winch drum shaft winch drum sliding clutch