Analyzing all elements of the wear matrix in a special mill can get a lot of useful information.

对特定磨机磨损矩阵中各元素的分析，可获得该磨机介质磨损方面的很多有用信息。

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Communities that depend on a single steel mill could get special help.

ECONOMIST: Why protecting American steel is such a rotten idea

To find out, he used a special harness which held the rats upright over a treadmill, with their hind feet touching the mill.

ECONOMIST: Spinal injury: Running repairs | The

What's the market that involves a lot of technology, specialization, highly trained workers, quick turnarounds to spec so that the customers really feel like they're getting something special and different -- that's how you compete, because that's something that a steel mill in China or in Brazil can't do.

WHITEHOUSE: "White House to Main Street" Town Hall: Elyria, OH