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[多选题]
风无界柜机安装时需要开两个孔,直径均为()mm。风无界挂机侧出管安装时需要开两个孔,一个直径()mm(排风口),一个直径()mm(空调冷媒连接管+排水管+新风管);背出管暗黄时需要开三阁孔,每个直径均为
A.83 63 63 90
B.83 63 103 63
C.103 83 63 63
D.103 63 103 63
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836310363
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.83 63 63 90
B.83 63 103 63
C.103 83 63 63
D.103 63 103 63
836310363