“ball cock device”概念、定义、翻译-科学时代

单词	ball cock device
释义	水利水电词汇手册 ball cock device 浮子装置
随便看	world fertility world fertility World Fertility Survey （WFS） world financial market world financial market world food bank World Food Bank world food conference World Food Council World Food Council World Food Council (WFC) World Food Council (WFC) World Food Council--World Food Council (WFC) World Food Council--World Food Council (WFC) World Food Day World Food Day World Food Programme World Food Programme (WFP) World Food Programme--World Food Programme (WFP) world food stock world food stock world geodetic system（WGS） world geography World Gold Council world gold market

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。

ball cock device