请输入您要查询的字词:
单词
Chinese historical Canals
释义
Chinese historical Canals
Encyclopedia
理学
中国历史上的运河
释
Chinese historical Canals
中国历史时期运河
中国历史时期人工开凿的通航水道,至晚于春秋战国时期已经开始修凿运河,后世兴修的京杭大运河,迄今仍是世界上最长的运河。
随便看
subsea christmas vertical tree
subsea cluster system
subsea compressor
subsea control module
subsea dry-type tree
subsea electrical flying leads
subsea fishing protection structure
subsea horizontal connector
subsea hydraulic flying leads
subsea manifold
subsea metering system
subsea mixed-type tree
subsea multiphase meter
subsea oil & gas production system
subsea pipeline
subsea pipeline corrosion control
subsea pipeline displacement
subsea pipeline end manifold
subsea pipeline pre-heating
subsea pipeline process
subsea pipeline put into production
subsea pipeline structure
subsea power distribution unit
subsea production system
subsea separator
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2025/12/3 9:47:21