In recent years, remedy of main girder's downward deflection of OTC by pre-stress method has found wide spread application. This is also the common practice iu Wu Hun district.
用预应力法修理桥式起重机主梁下挠，近年来得到了广泛的应用，武汉地区应用亦较为普遍。
In recent years, remedy of main girder's downward deflection of OTC by pre-stress method has found wide spread application. This is also the common practice iu Wu Hun district.
用预应力法修理桥式起重机主梁下挠，近年来得到了广泛的应用，武汉地区应用亦较为普遍。
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