PHPWIND
HELLOCQ
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您说的主杆我称为"桅杆",同时也是避雷针,高12米多.在2"管处用上下两个滑动轴承座把c3s的1-1/2"的支撑杆平行的附在桅杆上.缺点是不能360度旋转,不过也够用了.
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