先张 后张拉

pre post tensioning  detail>>

先张拉

pretensioning  detail>>

后张拉

post tensioning  detail>>

先张拉钢筋

pretensioned steel  detail>>

先张拉构造

pretensioned construction  detail>>

后张拉单元

post tension unit  detail>>

后张拉钢筋

post tensioned steel  detail>>

后张拉结构

post tensioned construction  detail>>

后张拉设备

post-tensioned system  detail>>

先张 后张混凝土

pre post tensioned concrete  detail>>

先张拉混凝土

pretensioned concrete  detail>>

后张拉椎现场记录

post tensioning field log  detail>>

高强钢索后张拉锚固法

maguel  detail>>

先张

pre post tensioned concrete pre post tensioning pretension  detail>>

后张

posttension; post-tensioning  detail>>

张拉

drawing electric-heat prestressing jacking tensioning  detail>>

张后军

zhang houjun  detail>>

舒张后期

diastasis period phase of diastasis  detail>>