It has the advantages such as convenient construction, high consolidation strength, long va lid period and small permeability damage.
该化学体系施工简便，固结强度高，有效期长，对渗透率损害小。
Its profits are convenient construction and low cost that the wide span bridge is built by the low relaxation prestressed galvanized PC steel strand.
大跨度桥梁采用低松弛镀锌PC钢绞线具有施工简便、造价低等优点。
A simple and convenient construction technology because it doesn't leave worries after the construction and it is welcome by the construction workers!
有一种施工工艺由于简单、方便而且施工后不会留下后顾之忧而深受广大施工人员欢迎！
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