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我厂北联合储库3号桥式超重机的(10t×22.5 m)工作级别制为A8(特重)级,其主要梁出现较严重的下挠,用水准仪测得其主梁下挠值为28.5 m(东梁)和 30.7 mm(西梁)。
The working grade of (10t × 22.5 m) of the No. 3 bridge-type overhaul truck at North Joint Storage Depot of our plant is A8 (special heavy) grade. The main girder of the plant has a more serious lower torsion. The horizontal deflection of the main girder 28.5 m (East beam) and 30.7 mm (West beam).