deep diving meaning in English

深潜水

This thesis focuses on the attention on the study of pressure hull structure design of large deep diving submarine
本论文主要研究大型深潜潜艇耐压船体的结构。
Nowadays , the trend of submarine towards large dimension and deep diving has strategic significance
目前，潜艇朝着大深度和大型化方向发展的趋势均具有战略意义。
Certified as a padissi . naui advanced open water diver or equivalent . for this course , equivalency is proof of certification beyond entry level with experience in deep diving and underwater navigation
为合格的padi . ssi . naui进阶潜水员或相同等级的潜水员.潜水员必须提出相关证照以证明有超越基础入门之深潜与水中导航的实际经验