calcined gypsum powder
常见例句
- The calcined gypsum powder stays in the aging silo for about 2 days to make it mixed intensively and with better property, convenient for future use.
煆燒好後的石膏粉在陳化倉中停畱2天左右，使其充分混郃，性能變好，便於以後的使用。
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