“open sight”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	open sight
释义	open sight 缺口表尺
随便看	overhead reservoir overhead revolving slab charging machine overhead road overhead saw over head saw overhead shovel overhead spray overhead sprinking system overhead sprinkler overhead static cable overhead support overhead system overhead system of heating overhead tank overhead tax overhead time overhead tnuh scale overhead traffic over head transformer overhead transmission gear overhead transmission line overhead-travelling crane overhead travelling crane with hoist overhead travelling drilling machine overhead trolley