Petty Officer,Second Class是什么意思

网络释义

用法例句

Brief introduction about radiation hygiene in Russian navy;

俄罗斯海军放射卫生工作简介

The method and experience of proceeding CME in the navy taking advantage of the regional dominance;

利用地域优势开展海军继续医学教育工作的作法和体会

Epidemiological Investigation of Injuries in Navy Recruits during Basic Training;

海军新兵基础训练期间军事训练伤的流行病学调查

The natural corrosion potential,corrosion rate and steady-state polarization curves of Q235B carbon steel,TA2 titanium and navel brass in seawater were measured.

采用动电位极化技术及失重法研究Q235B碳钢/TA2钛和Q235B碳钢/TA2钛/海军黄铜在海水中的电偶腐蚀规律。