求翻译：原料标准中应有说明，即所采购原料要列入成分说明的致敏原等的描述，确认有恰当的操作和程序，保证收到的原料安全是什么意思？

Material standard should be stated that the procurement of raw materials to be included in the composition described in the description such as allergens, recognized the proper operation and procedures to ensure the safety of raw materials received

Note that standard raw materials should be included in the procurement of raw materials to be included in the description element of allergens, such as description, to recognize the proper operation and procedures to ensure that the raw materials received safety

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Raw materials should have instructions in the standard, that is, the purchasing of raw materials to be included in the component description description such as allergens, confirm proper operation and procedures ensure the safety of raw materials received

Raw materials should have explanation in standard, namely raw materials purchased want list description whose sensitization that composition explain is former in, confirm having appropriate operation and procedure, guarantees the raw materials security received