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sample for commercial coal造句

"sample for commercial coal"是什么意思   

例句與造句

  1. Sampling for commercial coal
    商品煤樣采取方法
  2. It's difficult to find sample for commercial coal in a sentence. 用sample for commercial coal造句挺難的

相鄰詞匯

  1. "sample filter"造句
  2. "sample filtering"造句
  3. "sample flask"造句
  4. "sample flat"造句
  5. "sample for chemical analysis"造句
  6. "sample for reference"造句
  7. "sample fractile"造句
  8. "sample fraction"造句
  9. "sample frame"造句
  10. "sample frequency"造句
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