For the preliminary breaking of hard rock, we use a Options: A . &nbspGyratory crusher B . &nbspBall mill C . &nbspTube mill D . &nbspSquirrel-cage disintegrator

For the preliminary breaking of hard rock, we use a

Question

For the preliminary breaking of hard rock, we use a

Options:

A . Gyratory crusher

B . Ball mill

C . Tube mill

D . Squirrel-cage disintegrator

Answer: Option A

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