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.
是将配页按页码顺序已
册
书帖，通
制书
械。
；由页形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.
是将配页按页码顺序已册书帖，通制书械。
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，部分未经
人工审核，其表达内容亦不代表本软件
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