型钢管混凝土构架或A型钢管构架在我国的大型开关站、变电站中有着极其广泛的应用。
A-type truss of steel tube concrete or A-type truss of steel tube is used broadly in large-scale switch station and transformer substation in our country.
型钢管混凝土构架或A型钢管构架在我国的大型开关站、变电站中有着极其广泛的应用。
A-type truss of steel tube concrete or A-type truss of steel tube is used broadly in large-scale switch station and transformer substation in our country.
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