A、<p><span style="font-family: \'Microsoft YaHei\'; font-size: 13px; ">平行系统</span></p>
B、<p><span style="font-family: \'Microsoft YaHei\'; font-size: 13px; ">垂直系统</span></p>
C、<p><span style="font-family: \'Microsoft YaHei\'; font-size: 13px; ">O型系统</span></p>
D、<p><span style="font-family: \'Microsoft YaHei\'; font-size: 13px; ">X型系统</span></p>
A、<p><span style="font-family: 'Microsoft YaHei'; font-size: 13px; ">平行系统</span></p>
B、<p><span style="font-family: 'Microsoft YaHei'; font-size: 13px; ">垂直系统</span></p>
C、<p><span style="font-family: 'Microsoft YaHei'; font-size: 13px; ">O型系统</span></p>
D、<p><span style="font-family: 'Microsoft YaHei'; font-size: 13px; ">X型系统</span></p>
查看答案