A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">相互垂直</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 14px"> </span>
B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">相互斜交</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 14px"> 45</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">°</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 14px"> </span>
C、<span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 14px"> </span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">相互平行</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 14px"> </span>
D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">相互斜交</span><span style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 14px"> 60</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">°</span>
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