It creates so big axial force because of intermediate rolls crossing in the rolling process.

在轧制过程中，中间辊交叉带来极大的轴向力。

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Crossing between rolls or roll and strip is one of the major reasons to emerge axial force.

轧辊间的空间交叉是产生轧辊轴向力的主要原因。

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Above the crowd I hear the clang of a crossing signal as a slow train rolls along the tracks.

越过人群，我听到一辆慢车驶过道口时的的信号声。

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