mutual preferential dutiesreciprocal dutiesreciprocal duty
... 互惠社: incorporated mutual benefit association 互惠基础: mutually beneficial basis 互惠关税: mutual preferential dutiesreciprocal dutiesreciprocal duty ...
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mutual preferential dutiesreciprocal dutiesreciprocal duty
相互优惠的义务互惠的义务
以上为机器翻译结果，长、整句建议使用 人工翻译 。