There is a growing trend towards applications of large-diameter high-strength bolts in Mero joints of space trusses in recent years.
近年来大直径高强度螺栓在网架结构螺栓球节点中的应用有增多的趋势。
There is a growing trend towards applications of large-diameter high-strength bolts in Mero joints of space trusses in recent years.
近年来大直径高强度螺栓在网架结构螺栓球节点中的应用有增多的趋势。
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