They have also worked out, according to the rou's actual life, back up roll change regulation and compiled a data bank for back up roll service and maintenance.

又按照支承辊的实际使用寿命，制定了支承辊换辊制度，并编制了支承辊使用与维护管理数据库。

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The results showed that the higher internal stress and serious carbide network in the banded carbide in the inner roll body were the main causes of heavy back-up roll stationary cracking.

结果表明，辊身心部较高的内应力和在带状碳化物中存在严重的网状碳化物是造成大型支承辊置裂的主要原因。

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By analysis calculating bending strength of back-up roll, it can educe bending stress of end and body of back-up roll, and define weak spot that is both end of back-up roll.

通过支撑辊弯曲强度解析计算，得出支撑辊辊颈和辊身的弯曲应力，并确定此支撑辊的薄弱点在辊颈处。

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You have to find the place,then,roll it all back up.

找到之后看完还要卷起来。

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Make sure you back that application up with some roll up your sleeves, investigative work to connect with the true hiring manager.

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The big companies in back-office work are looking to roll up the smaller players.

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That's what we have to roll up our sleeves and get back to doing, is creating an America where everybody is doing their fair share, everybody gets a fair shot, everybody is engaging in fair play.

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