The elevator drive mechanism in PROTOS 70 cigarette making and tipping machine combination was complicated and hard for maintenance.
PROTOS 70卷接机组的提升带传动机构原传动方式结构复杂，维修困难。
The elevator drive mechanism in PROTOS 70 cigarette making and tipping machine combination was complicated and hard for maintenance.
PROTOS 70卷接机组的提升带传动机构原传动方式结构复杂，维修困难。
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