切丝设备的调试时根据刀门间隙确定（），金刚石必须与刀口保持一致。
A、砂轮大小
B、刀的长短
C、金刚石大小
D、排链张紧度
参考答案：B
What is the main idea of this passage()
A. Seven sins refer to lust, greed, sloth, wroth, envy, pride and gluttony.
B. Introduction to new views of seven sins.
C. Hieronymus Bosch’s view of seven sins.
D. The differences between traditional and new views of seven sins.
磨矿细度对浮选有什么影响？
