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Roof formwork support system
Time:2021-10-12 14:39:29View count:
The structure of roof formwork support system is divided into main keel and secondary keel, in which the main keel is retractable (the extension length specifications are 4m, 3M and 2m respectively) and the secondary keel is non retractable (the length specifications are 3.om, 1.8m and 1.4m)