To prevent the insufficiency or excess of sand water content, the amount of the first addition is set as 80% of the total water addition amount.

为防止型砂水分不足或过量，将第一次加水量设定为总加水量的80 %。

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To prevent the insufficiency or excess of sand water content, the amount of the first addition is set as 80% of the total water addition amount.

为防止型砂水分不足或过量，将第一次加水量设定为总加水量的80 %。

youdao