?液压操纵舱口盖
... hydraulically-operated hatch cover 液压操纵舱口盖 hydraulically-operated hatch covers 液压操纵舱口盖 hydraulically-operated valve 液压操纵阀 ...
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。