“观测孔”的概念、定义、翻译、参考文献-科学参考

单词	观测孔
释义	观测孔 aperture of sight observation port peep hole
随便看	fishtail bit fishtail bolt fishtail cutter fishtailed downcomer fish-tailed end fish-tail end fish-tail head fish-tailing fishtail jet fishtail plate fish tail regulator fishtail spray fishtail train fish tallow fish tankage fish top fish torpedo fish toxicity fish track fish-type body fish way fishway fishway exit fish well fish winding

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。