defective tightness是什么意思，defective tightness的翻译，defective tightness音标、读音、用法和例句

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defective tightness是什么意思，defective tightness的翻译，defective tightness音标、读音、用法和例句_伍贰汉英词典

defective tightness

基本解释

专业释义

能源科学技术