The research of structural properties on prestressed concrete composite slabs with high strength screw p. c. wire are given in this paper.
文中介绍了以高强螺旋肋钢丝作为主筋的预应力混凝土叠合楼板的结构性能研究。
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Objective:To reform the wire-controlled handpiece C arm into wireless remote control of Philips BV25 GOLD , in order to obtain more secure in management without limitation of control wire.