源数据的字段规格是什么(字段名、类型、数据长度)？
What are the field specifications of the source data (field name, type, data length)?
通过调节机构，可适应同类型各规格产品成型。
By adjustment it is workable to form element with same type different dimensions.
通过调节机构，可适应同类型各规格产品成型。
By adjustment it is workable to form element with same type different dimensions.
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