单项选择题

高登-舒曼粒度特性方程式适用于下列哪个设备的粉碎产物粒度特性分析？（） A.
颚式破碎机
B.
锤碎机 C.
球磨机 D.
分级机

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When reporting profit for a period, companies are required to ensure that income and expenses are correctly classified. Which one of the following items will NOT be included in profit or loss for the period? A.
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Dividend paid to ordinary shareholders C.
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