The depth of excursion diving was 100 m, and altogether 9-bell-run and 18-man-time dives were made.
英
美
每天又借SDC下潜到100m海底,出钟进行巡回潜水作业,共9钟次18人次,有效地进行了多种特定劳动作业。
目录
查词历史
英 汉