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来源:百度文库 编辑:高校问答 时间:2024/05/06 10:38:54
side loaders are used to feed sides tacking heads.before forwarding,also these loaders are protected with a rust prevention liquid,before starting the machine up,they shall be cleaned.
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来源:百度文库 编辑:高校问答 时间:2024/05/06 10:38:54