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piston rings例句_piston rings英汉例句_piston rings双解例句_橘子化妆朗文词典
橘子化妆朗文词典

piston rings

P 开头单词

常见例句

  • These bands are called piston rings.
    这些圈叫做活塞环。
  • The unrestrained piston ring curve has been analyzed by the finite element method.
    摘要引入有限元法对活塞环自由状态曲线进行了分析研究。
    • 返回 piston rings