telescoping tube

基本解释

• [矿业] 伸缩管

英汉例句

权威例句

• Instrument makers of the time also invented a trumpet with a sliding, telescoping tube extension.
  NPR: Young Tuba Player Gets Nod from Phila. Orchestra

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词组短语

短语

• elastic telescoping of oil tube 油管弹性收缩

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专业释义

地球科学

• 伸缩管