塔式起重机的立塔、拆塔和较重物件的吊装,一直是我公司施工中的关键问题。在无产阶级文化大革命和批林整风运动的推动下,我队广大革命职工和革命技术人员,认真执行“抓革命,促生产”的伟大方针,决心自己动手制造起重设备,解决我公司立塔、拆塔的吊装关键问题。在加 Tower cranes, tower cranes and lifting of heavy objects have always been the key issues in our company’s construction. With the promotion of the proletarian cultural revolution and the forestry rectification movement, the vast numbers of revolutionary workers and revolutionary technicians of our team have conscientiously implemented the great policy of “grasping the revolution and promoting production” and are determined to create lifting equipment by themselves to solve the towers of our company. Demolition of the tower, the key issues. In Canada