虽然那台测试样机开启高海拔模式后使用100小时亮度削弱的更多，但那台也是所有样机中初始亮度更高的一台。
Though the test unit with the high altitude fan engaged has diminished less over the first 100 hours of use, this was a much brighter unit to begin with.
黑色的壁龛展示品牌的护肤、护发产品。同样的颜色被用于服务台和一个用于测试样品的中央洗盆上。
Black alcoves display the brand's skin and hair products. The same colour is used to form the service counter and a central wash basin unit for testing samples.
采用浇注型聚氨酯材料，设计了一种管道用胀环试样试验台主密封圈。
Manufactured by casting polyurethane, main seal ring used in expansion ring testing device for pipeline was designed.
另外，作者设计了一台适合于RD_2——3型试验机的蠕变-疲劳控制装置；并讨论了C形试样极限载荷p_l的计算公式。
In addition, a set of creep-fatigue controlling device which ADAPTS for RD_2-3 tester is designed and a calculative formula of limit load PL of C-shape specimen is discussed.
有两台测试样机在使用了200小时后，都降低了25%的流明输出。
Over the course of 200 hours of use on two test units, lumen output degraded by 25% on both of them.
有两台测试样机在使用了200小时后，都降低了25%的流明输出。
Over the course of 200 hours of use on two test units, lumen output degraded by 25% on both of them.
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