The tencha is then ground to a fine powder often in a stone mill.
“碾茶”用石磨研成精细的粉末就是抹茶了。
In the course of production in dressing mill, there is chaperonage powder.
在选矿厂生产过程中，总有粉尘伴随发生。
Ball mill is an efficient tool for grinding many materials into fine powder.
球磨机是一种有效的工具磨许多材料成细粉。
Ball mill is an efficient tool for grinding many materials into fine powder.
球磨机是一种有效的工具磨许多材料成细粉。
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