The sample must be clean, do not touch foreign body, moisture, and do not touch.
样品必须干净，不可沾有异物，水分，也不可用手触摸。
It will generally measure the moisture in the test sample more reliably than the sample can be made to represent the aggregate supply.
相对于代表集料供货的样品而言，通常可通过本试验方法对试样的含水量进行更为可靠的测定。
It is practically impossible to remove all the moisture from a sample without deterioration of the product.
要去除样品的全部水分而又不损坏产品，实际上是不可能的。
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