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piston rings例句_piston rings英汉例句_piston rings双解例句_甲百匯小鸡词典
甲百匯小鸡词典

piston rings

P 开头单词

常见例句

  • These bands are called piston rings.
    這些圈叫做活塞環。
  • The unrestrained piston ring curve has been analyzed by the finite element method.
    摘要引入有限元法對活塞環自由狀態曲線進行了分析研究。
    • 返回 piston rings