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How to carry out the failure analysis of roll?

Measuring the hardness of roll by what way?

What is the alloy elements in the role of cold roll material

Roll high and low times test what?

What is the roll quenched, Quenched and tempered to play wha

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·How to carry out the failure analysis of roll?	[2013-12-5]
·Measuring the hardness of roll by what way?	[2013-12-5]
·What is the alloy elements in the role of cold roll material?	[2013-12-5]
·Roll high and low times test what?	[2013-12-5]
·What is the roll quenched, Quenched and tempered to play what rol	[2013-12-5]

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