Book sewing machine is one kind of book binding machines, by which the gathered signatures in paginal order from the collecting machine can be sewed to from book blocks.
锁线机是将配页机按页码顺序已
册
书帖，通
锁线制书芯机械。
；由页
Book sewing machine is one kind of book binding machines, by which the gathered signatures in paginal order from the collecting machine can be sewed to from book blocks.
锁线机是将配页机按页码顺序已册书帖，通锁线制书芯机械。
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，部分未
工审核，其表达内容亦不代表本软件
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