石膏粉和水的比例主要取決于所需的石膏制品的性質和用途。一般來說，石膏粉和水的比例通常為1：

　　The ratio of gypsum powder to water mainly depends on the properties and uses of the required gypsum products. Generally speaking, the ratio of gypsum powder to water is usually 1:

　　1. 5（即一份石膏粉和1.5份水），這種比例適用于常規的石膏制品，如石膏像、石膏板等。

　　1.5 (i.e. one part gypsum powder and 1.5 parts water), this ratio is suitable for conventional gypsum products such as gypsum statues, gypsum boards, etc.

　　這種比例的石膏制品通常具有較高的韌性和強度，能夠滿足基本的使用需求。

　　Gypsum products with this ratio usually have high toughness and strength, which can meet basic usage needs.

　　然而，對于需要更高強度的石膏制品，如吊頂、大型雕塑等，石膏粉和水的比例可能需要適當調整，通常為1：2或1：2.5。

　　However, for gypsum products that require higher strength, such as ceilings, large sculptures, etc., the ratio of gypsum powder to water may need to be adjusted appropriately, usually at 1:2 or 1:2.5.

　　這種比例的石膏制品更加堅固耐用，適用于較為苛刻的環境需求。

　　This proportion of gypsum products is more durable and suitable for more demanding environmental requirements.

　　在適當的比例下，石膏制品能夠擁有更好的物理性能和使用壽命，同時也減少了制作過程中的浪費。

　　Under appropriate proportions, gypsum products can have better physical properties and service life, while also reducing waste during the production process.

　　因此，正確的石膏粉和水的比例非常重要，需要根據具體的制品需求進行合理的調整。

　　Therefore, the correct ratio of gypsum powder to water is very important and needs to be adjusted reasonably according to specific product requirements.

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