求翻译：产品质量检验单必须经编制人、审核人、批准人审核并加盖印章，是什么意思？

Product quality inspection must be approved by the preparation of a single person, the examiner, who reviewed and approved seal,

Product quality testing single person must be the preparation, review, approval and stamping's examination.

The product quality check list must pass through establishes the human, verifies the human, authorizes the human three levels to verify and to cap the seal, in which establishes the human: The capping quality inspector seal, verifies the human: Caps two level of unit quality testing department to be

Product quality inspection must prepare people, checker and approver reviews and the seal,

Product quality inspection must prepare people, checker and approver reviews and the seal,