皮皮学，免费搜题
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【多选题】
File/Export命令可以输出下面哪种类型文件( )A.
.max
B.
.DXF
C.
.DWG
D.
.3DS
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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