buffer material for minor damage
...the automatic material handling system Petri net simulation process 缓冲材料轻微受损 » Buffer material for minor damage 股票有风险，投资需谨慎 » There is a risk that stocks should be cautious about investment ..
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buffer material for minor damage
轻微损坏的缓冲材料
以上为机器翻译结果，长、整句建议使用 人工翻译 。