These outbreaks have been traced back to SWPM imported from China.

这些爆发已经追踪到来自中国的木质包装。

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Additionally, in transit SWPM comes into close contact with the commodities packed with it.

此外，运输途中木质包装与其所包装的货物密切接触。

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Because the certificate requirement May slow clearance of shipments at U. S. ports while inspectors match certificates with the associated SWPM.

由于出证的要求可能减慢货物在美国口岸的放行，因为检查员要检查证书与相关木质包装是否相符。

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