trench test

It has been proved, through field-measured data and model test results, that trench width has much effect on vertical earth pressure on trenched flexible pipes such as steel pipelines.

开槽埋设钢管等柔性管时，开槽宽度对于作用于管道上的竖向土压力有着很大的影响，这已被现场实测和模拟试验结果所验证。

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In prepping for his deep-sea dive, Cameron did a test run of sorts at the New Britain trench, in the Solomon Islands of Papua New Guinea.

为了做好深海下潜的准备，卡梅隆在巴布亚新几内亚的所罗门群岛新不列颠海沟进行了海试。

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