About which designs for the force thick plate levels off the back pressure hoop group specially, May achieve the guarantee the stress relieving effect.
特别为强力厚板而设计的上下整平背压滚轮组，可达到保证的应力消除效果。
About which designs for the force thick plate levels off the back pressure hoop group specially, May achieve the guarantee the stress relieving effect.
特别为强力厚板而设计的上下整平背压滚轮组，可达到保证的应力消除效果。
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