“Chinese historical Canals”的概念、定义、翻译、参考文献-科学参考

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	raw materials of blast furnace ironmaking raw material storage control system raw material warehouse raw meal grinding process control system raw meal homogenization process control system raw meal proportioning process control system raw medicinals have ascending nature while the processed medicinals have descending nature raw medicinals have draining nature while the processed medicinals have tonifying nature raw medicinals have drastical nature while the processed medicinals have moderate nature raw medicinals have toxicity while the processed medicinals have less toxicity raw milk inspection raw moment raw of refraction raw ore raw rubber raw rubber; crude rubber raw score raw silk raw silk defects raw silk fabric raw silk finishing raw silk testing raw skin rawskin raw sugar refining

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