maven 3.3.9版本下载地址
请使用迅雷下载
http://www-us.apache.org/dist/maven/maven-3/3.3.9/binaries/apache-maven-3.3.9-bin.zip
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浏览地址
https://downloads.apache.org/maven/maven-3/3.3.9/
https://github.com/godmaybelieve