对桥梁主要承重构件进行补强是桥梁加固的有效方式之一。
The reinforcement of the primary members of Bridges is one of the effective ways of bridge strengthening.
本实用新型承重能力强、抗震、使用寿命长。
The utility model has the advantages of strong bearing capacity, shock resistance and long service life.
所述蜡层纸箱防潮、防水，承重力强，耐高温，耐低温。
So that, the wax layer carton has advantages of moisture resistance, water resistance, strong bearing force, high temperature resistance and low temperature resistance.
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