A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px; TEXT-DECORATION: none">互相平行</span>
B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">互相垂直</span>
C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">相交</span>
A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px; TEXT-DECORATION: none">互相平行</span>
B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">互相垂直</span>
C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">相交</span>
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