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sump pump例句_sump pump英汉例句_sump pump双解例句_欧米惠必应词典
欧米惠必应词典

sump pump

S 开头单词

常见例句

  • The lower portion of the disc is submerged within an oil sump.
    圆盘下部浸在油池中。
    • 返回 sump pump