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Terms containing 空钟 | all forms | in specified order only
SubjectChineseEnglish
space空钟vacuum bell jar
met.烧结炉真空密闭水冷金属钟形罩vacuum-tight water cooled metal bell
met.真空密闭水冷金属钟形罩vacuum-tight water-cooled metal bell
tech.空中警钟aerial bell
tech.空钟flying clock
tech.航空时钟aviation clock