Ensure subsea TV is in good condition.
确保水下电视处于良好的状态303。
Subsea valve: a valve which is designed for use in sea water.
海底阀：为适应海水中作业而设计的一种阀。
The electricity produced is then sent to shore through a subsea cable.
发电机产生的电力将通过海底电缆输送到海岸。
Generally this is in shallower water and more subsea equipment is recovered.
总的来说，水域越浅，需要回收的水下设备就会越多。
Up to now, there is a proper method for safety evaluation of subsea tunnel construction.
但目前针对其施工安全评价尚缺少较好的方法。
How to determine reasonable subsea tunnel rock cover depth is still an intractable research subject.
合理确定隧道顶板厚度是地下工程中一个亟待研究解决的课题。
How to determine reasonable subsea tunnel rock cover thickness is still an intractable research subject.
合理确定隧道顶板厚度是一项重要的研究课题。
How to determine reasonable subsea tunnel rock cover thickness is still an intractable research subject.
合理确定隧道顶板厚度是一项重要的研究课题。
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