prestressed ring

预应力活塞环  detail>>

prestressed (steel piston) ring

预应力活塞环  detail>>

prestressed

安装预应力 预加应力的 预拉伸的 预受力的 预应力的  detail>>

precast-prestressed

预制预应力的  detail>>

prestressed anchor

预应力锚  detail>>

prestressed beam

预应力梁  detail>>

prestressed brickwork

预加应力砌砖块  detail>>

prestressed cable

预应力钢索  detail>>

prestressed casing

预应力套管  detail>>

prestressed component

预应力构件  detail>>

prestressed concrete

预加应力混凝土 预应力钢筋混凝土 预应力混凝土  detail>>

prestressed constructions

预应力构造  detail>>

prestressed element

预应力构件 预应力元件  detail>>

prestressed forming

预应力成形  detail>>

prestressed girder

预应力梁  detail>>

prestressed glass

预应力玻璃  detail>>

prestressed layer

预应力层  detail>>

prestressed medium

预应介质  detail>>