?超前动作危急保安器
... secondary generation neutrons 第二代中子 secondary governor 超前动作危急保安器,辅助调节器 secondary gyroscope 二自由度陀螺仪 ...
?越前动作危急保安器
越前动作危急保安器 anticipatory gear; secondary governor 越墙而过 leap over a wall; spring (over) a wall ..
Ronald Restall, Parent-Governor, Ian Ramsey CE Secondary and Rosehill Infant Schools, Stockton-on-Tees.
BBC: Education honoured
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。