sealed off vacuum system_纺织英汉词典
sealed off vacuum system
[纺织英汉词典]
sealed off vacuum systemn.封离真空系统
是什么意思，sealed off vacuum system的解释，sealed off vacuum system的翻译
[船舶英汉词典] sealed off vacuum system
n.封离真空系统
sealed off vacuum system_纺织英汉词典sealed off vacuum system
[纺织英汉词典]
sealed off vacuum system是什么意思，sealed off vacuum system的解释，sealed off vacuum system的翻译
[船舶英汉词典] sealed off vacuum system
