Since the clearance is not generated with boom base section only,perform before disassembling the boom.
Since the clearance is not generated with boom base section only,perform before disassembling the boom.
既然不能连同座基一起清除，那就将帆杠/吊杆拆下来再清除。
Since the clearance is not generated with boom base section only,perform before disassembling the boom.
既然不能连同座基一起清除，那就将帆杠/吊杆拆下来再清除。