1. The durableness problem of glue joint is discussed. 并定性地讨论了胶螺接接头的耐久性问题。
2. The influencing factors on the durableness of anchor with stress corrosion by the way of simulation in laboratory and site sampling are studied. 通过室内模拟试验和现场取样测试的方式,对比研究应力腐蚀条件下影响锚杆使用寿命的因素。
3. Aluminum alloy is used to cast the shell for its beauty and durableness. Tricolor energy-saving lamps and transparent lampshades are used for enjoyable appearance and good practicality. 外型设计采用铝合金压铸的传统灯具造形;美观大方、经久耐用;选用三基色节能灯泡配以透明灯罩,极具观赏价值和实用价值。