sand fineness

常见例句

雙語例句

• The material was sand of every degree of fineness and of various rich colors, commonly mixed with a little clay.
  那材料是各種粗細不同的細沙，顔色也各不相同，往往還要包含一些泥土。
• Such as sand not clean (mud high content), sand the fineness modulus too high or too low, also can make the strength of concrete is reduced, and the water increased.
  如砂石不乾淨（泥含量較大）、砂的細度模數過高或過低等， 也會使混凝土強度降低、泌水性增加。

權威例句

• Two days earlier, it had scooped some sand from a drift, sieved it to a fineness of less than a hundred and fifty microns, and dropped a portion half the size of a baby aspirin into a funnel on its back.
  NEWYORKER: The Martian Chroniclers
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