“ring of lead line”概念、定义、翻译-科学时代

单词	ring of lead line
释义	水产业词汇手册 ring of lead line 底环，沉子纲环
随便看	smokeless propellant smokeless smoking smokemeter smoke nuisance smoke number smoke outlet smoke point smoke pollution smoke-proof smoke-protection forest smoker smoker smoker body smoke stabilizer smokestack smoke taste smoke test smoke trails smoke tunnel smoke vent smoke vent opening smoke wind tunnel smoke wire method smoke wire method smoking

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

ring of lead line