采砂

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采砂是指從露天矿坑[1]、沙坑、海滩、内陆沙丘、海床和河床中開採沙子[2]。沙子经常被用于制造业,例如用作磨料混凝土。它還通常与盐混合灑在結冰和積雪的路面上,以降低路面的熔点温度[3]

参考文献[编辑]

  1. ^ Sandpit Owners Ordered to Take Corrective Steps. Los Angeles Times. 15 July 1969: OC–A1 [2021-03-01]. (原始内容 (Subscription required)存档于2009-08-07). ; Lubasch, Arnold H. $75-Million Industry Park Planned for L.I. Sandpit. The New York Times. 8 October 1967: R1 [2021-03-01]. (原始内容 (Subscription required)存档于2013-10-21). 
  2. ^ The messy business of sand mining explained. [21 February 2021]. (原始内容存档于2021-03-05). 
  3. ^ Battle lines in the sand. The Sydney Morning Herald. 2 November 2005 [2021-03-01]. (原始内容存档于2017-09-10).