To discover more fascinating science content, head to bbc.co.uk, search for BBC Inside Science and follow the links to The Open University.
（二）非正常损失的在产品、产成品所耗用的购进货物（不包括固定资产）、加工修理修配服务和交通运输服务；
。WPS下载最新地址是该领域的重要参考
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