pc rail beam transporting frame pc轨道梁运架
Steel Rail Beam 钢轨道梁
rail beam plant 轨梁厂
rail beam bridge 轨道梁桥
rail beam detail 钢轨梁
composite rail beam 复合轨道梁
The design of crane rail beam.
门机轨道梁的设计。
The Speedy Rail beam is a heat-treated aluminium alloy profile with hollow cross-sections that give it high strength under torsion and deflection stresses.
快速铁路是束热处理铝合金型材中空截面，给高强度下的扭转和挠度应力。
The invention discloses a method for connecting a circular track with a bearing-rail beam of a polar crane, relating to a polar crane for a nuclear power station.
环行起重机的环形轨道和承轨梁的连接方法，涉及核电站用环行起重机。
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