waste sand

 
  • 廢砂

waste sand的用法和樣例:

例句

  1. In foundry production, two great pollution sources are use of resin binders containing toxic matters and large amount of solid garbage resulting from waste sands.
    摘要鑄造生產的兩大污染源,一是使用含有有毒物質的樹脂黏結劑,二是排放的廢砂成為大量固體廢物。
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