burnt gypsum

常见例句

雙語例句

• It was recommended that people used burnt hartshorn, the burnt shells of snails and burnt gypsum.
  有人建議人們使用燒過的鹿角、燒過的蝸牛殼和燒過的石膏。
• The difference of effects of burnt lime and hydrated lime, raw gypsum and burnt gypsum on white cement was studied, and the optimal type of lime and gypsum was determined.
  研究了生石灰和熟石灰、生石膏和熟石膏對無熟料白水泥的影響差異，確定了最優石灰和石膏類型。
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