“pipe-thread protector”的概念、定义、翻译、参考文献-科学参考

单词	pipe-thread protector
释义	pipe-thread protector [`pīp ´thred prǝ´tek·tǝr] See <<thread protector>>
随便看	lomonite Lomonosov ridge lomontite Lonchaeidae London dispersion force London equations London penetration depth London shrinkage London superconductivity theory London superfluidity theory lone-pair electrons long-base-line system long bone long card long clay long column long-conductor antenna long-day plant long discharge long-distance loop long-distance navigation long-distance xerography longeron long-flame burner long-haul carrier system

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