后张拉预应力  Post-tention

后张拉预应力结构技术  Stretch-draw pre-stressed concrete

容许张拉预应力  permissible tensional prestress

预应力张拉工艺  prestressed concrete techniqres

预应力张拉过程  tensile process of pre-stressed cable

预应力张拉控制  strain-pull controlling of prestress

预应力张拉器  pre-stress tensioner; pre-stress tension unit

预应力张拉施工  tensioning construction

预应力张拉时间  Prestress tensioning time

预应力张拉顺序  concrete prestress sequence

预应力张拉索膜结构  pretensioned cable-membrane structures

张拉预应力  tensile prestress

张拉预应力钢桁架  cable-prestressed steel truss

预应力混凝土用张拉钢丝  stretching wire for prestressed concrete

预应力混凝土张拉  prestress of concrete tension

预应力筋的张拉  stretching of prestressed steel tendons

预应力筋张拉方法  tension method of prestress tendon

预应力筋张拉顺序  sequence of PR tension

预应力束张拉顺序  prestressed beams tensioned order