按“皮带调试”部分介绍步骤（8.1和8.2）完成皮带调试后，如果皮带仍偏离中心传送，大约每隔30米传送带长度调整托滚的斜度；
Idler tilting approximately every 30 m of conveyor length, if after belt alignment procedure as mentioned in Units Belt alignment (8.1 and 8.2) the belt is still off-centre running.
按“皮带调试”部分介绍步骤（8.1和8.2）完成皮带调试后，如果皮带仍偏离中心传送，大约每隔30米传送带长度调整托滚的斜度；
Idler tilting approximately every 30 m of conveyor length, if after belt alignment procedure as mentioned in Units Belt alignment (8.1 and 8.2) the belt is still off-centre running.
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