塔機雨季施工和冬期施工需要注意的問題

yujishigongshi，yingtebiezhuyiguidaojichuyouwuxianzhubujunyunchenjiang，jishipaichuguidaojichufujindejishui，bingcaiqucuoshifangzhidianjishouchao。dongqishigongshi，yingjishiqingsaoguidao基礎上的積雪和冰渣。禁止起吊與冰凍牢固粘結的建築構件。