钢管混凝土桥面的耐久使用寿命归功于它的基本设计。
The longevity of filled grid deck can be attributed to its fundamental design.
全机采用铝合金精密铸造，搭配CNC精密加工，整机稳固可以承受高速运动，耐久使用。
Body structure1. The whole machine adopts aluminum alloy casting, with precision CNC machining, high speed machine can withstand strong, durable use.
无论微缩胶片具有多少缺点(它是有名的倔强、不好使用的东西)，最少它具有印刷品所缺乏的耐久性。
Whatever the demerits of microfilm as a storage medium (and it is notoriously balky, difficult stuff), at least it had a certain durability that the print article lacked.
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