用grooved roll造句子，“grooved roll”造句

Rolls are the most important components in a rolling mill, which cause the rolled metal to deform plastically. They are two kinds of rolls: plain rolls and grooved rolls.

For flat products like plate and strip, plain rolls are used, and grooved rolls are used for the rolling of sections of various shapes.

There all the stalks and stalk fragments are eliminated from the bunches, and the berries are gently broken with the help of rubber grooved rollers.