青云翻译

2, pre-installation method is to concrete the main arch ring is divided into several segments, and now the ground or off-site factory prefabricated and then transported to below the bridge opening, the use of lifting equipment upgrade in place, the stitching, and gradually extended up into the arch.

2, prefabricated installation method, is divided into a number of concrete of main arch ring segments, now site of the ground or outside the factory for precast, then transported to the bridge opening below, the use of lifting equipment upgrade in place, mosaics, gradually lengthened until arching.

2, the prefabricated installment law, is divides the concrete host arch ring into certain stages, now the scene ground or the field outwork factory carries on the prefabrication, then ships to bridge opening under, takes place using the hoisting equipment promotion, carries on splicing, until length

Law 2, that is, we have successfully installed, precast concrete ring main arches divided into several sections, and now the site of the ground or off-site plant for prefabricated buildings, and then transported to the bridge below the hole, using lifting equipment in place, upgrade for merging, unt

2, prefabricated installation method, is divided into a number of concrete of main arch ring segments, now site of the ground or outside the factory for precast, then transported to the bridge opening below, the use of lifting equipment upgrade in place, mosaics, gradually lengthened until arching.