“垂球”的概念、定义、翻译、参考文献-科学参考

单词	垂球
释义	垂球 Encyclopedia 工学大地测量仪器释 plumb bob垂球上端系有细绳的倒圆锥形金属锤，在测量工作中用于投影对点或检验物体是否铅垂的简单工具。又称锤球。
随便看	cement concrete pavement cement concrete pavement cracking and seating cement concrete pavement crusher cement concrete pavement design cement concrete pavement water extractor cement concrete three-roller shaft cemented backfill cemented doublet cemented masonry dam cemented material dam cemented sand cemented sand, gravel and rock dam cement factory cement fiberboard cement grinding process control system Cement head cementing basket cementing design cementing mineral material cementing plug cementite cement kiln dust cement manufacture cement mortar cement particleboard

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。