Terms for subject Nautical containing shallow

English	Chinese
bottom suction in shallow water	浅水底吸力
critical speed in shallow water	浅水临界航速
shallow defect	浅层缺陷
shallow hardening	浅表硬化表面硬化，表面淬火
shallow profiler	浅层剖面仪
shallow water resistance increment	浅水增值
shallow water towing tank	浅水船模试验水池
shallow-water vessel	浅水船