Equipment must have the characteristics of mechanical reliability, which includes strength, rigidity, durability and tightness.
设备必须有机械可靠性的特性，包括力量，刚性，耐久性和。
A beam as the base of rail must have strong strength, rigidity, small subsequent creep camber, and excellent durability as well as rapid in const ruction.
桥梁不仅应有足够的强度、刚度以及小的后期徐变变形，同时还应具有良好的耐久性，并且要求实现快速施工。
The dolomite marble plank is characterized by low weight, high rigidity, durability and elegance. It is well accepted by consumers and becomes one of the preponderant building materials.
白云岩大理石板材具有重量轻、强度大、抗老化、美观大方等诸多特点，自问世以来深受人们青睐，成为最具优势的新型建材之一。
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