单选题轻型单千斤索双杆中舷外吊杆的最小仰角应:A小于15°B大于15°C小于25°D大于25°
单选题
轻型单千斤索双杆中舷外吊杆的最小仰角应:
A
小于15°
B
大于15°
C
小于25°
D
大于25°
参考解析
解析:
暂无解析
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