?封闭退火
... clogging 阻塞 closed annealing 封闭退火 Closed bolt 关闭式枪栓 ...
?密闭火
... 密闭罐 pressure tight retort 密闭火 closed annealing 密闭壳 containment vessel ...
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。