关于madewatersysteminthe的百科

• Dujiangyanistheoldestman-madewatersystemintheworld,anda...

• 问题详情：Dujiangyanistheoldestman-madewatersystemintheworld,andawonderinthedevelopmentofChinesescience.Builtover2,200yearsagoinwhatisnowSichuanProvinceinSouthwestChina,thisamazingengineeringachievementisstillusedtodaytoirrigateover6,000squarekilometre...
• 2019-07-0117092