海下的 meaning in Chinese

submarine
undersea

Afcd had already reduced the access of coaches to hoi ha with a maximum of 10 per day
渔护署已将每天旅游车前往海下的次数减至最多十次。
Considering the magnetic measurement and seafloor operation , the sealed pressure case should be nonmagnetic and transportable
为抵御海水的侵蚀和抗衡海下的环境压力，需要研发装载磁场传感器的密封舱。
However , the participant mentioned some rusting batteries were found along the shoreline near the jetty of hoi ha
一名与会者称赞海下的海滩垃圾问题有所改善，不过，他说沿海下码头附近的海岸线一带发现有生锈电池。
After discussion with villagers , the quota for coaches through the pak tam chung barrier gate to hoi ha was set at 12 coaches per day by afcd and ( dotp )
渔护署和大埔民政事务处与村民商讨后，设定经北潭涌关闸往海下的旅游车配额为每天12辆。
Mr . ekin cheng , wwf hong kong marine ambassador , and mr markus shaw , wwf hong kong chairman , today joined 1 , 000 nature lovers to explore the beauty of hoi ha and call ed for more effective conservation actions to protect our threatened marine environment and resources
世界自然基金会海洋大使郑伊健先生，以及世界自然基金会主席邵在德先生，今天联同1 , 000名热爱大自然的市民，一起探索海下的美态，同时呼吁采取更有效的保育行动，以保护本港备受威胁的海洋环境与资源。