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import and export
Encyclopedia
理学
【对外贸易及投资】
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import and export
进出口贸易
发生在常住单位与非常住单位之间的、跨越国境的货物和服务的交易。又称国际贸易。常住单位向非常住单位提供货物或服务为出口,常住单位从非常住单位收到货物或服务为进口。
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pipeline pressure test
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pipeline production
pipeline professional data
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pipeliner
Pipeline Research Council International
pipeline resistance
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Pipeline Transport
pipeline transportation
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