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。
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The cross section of the rail plate is hollow profile shape, and two ends of the rail plate are provided with wood plastic plugs.
所述的围栏板的横截面为中空型材状，其两端配置有木塑堵头；
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Our products include: magnetic drill, threading machine, hollow bit and rail drill.