How many tons of ore can this machine crush in an hour?
这机器每小时可以破碎多少吨矿石？
This machine is made to crush the rock into power.
这台机器是用来把石头压成碎末的。
The machine can crush rocks into powder.
那台机器能把石头碾成粉末。
This machine is used to crush the rock up for road building.
这台机器能粉碎石头，可用来筑路。
Thee machine can crush rocks into powder.
〔那台机器能把石头碾成粉末。
This machine is made to crush the rock into powder.
这台机器是用来把石头压成碎末的。
This machine is made to crush the rock into powder.
这台机器是用来把石头压成碎末的。
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