... inspection 湩 certificate 检验证书 place e of origin 原产地 port t of dispatch 转发港 ...
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place e of origin
原产地
以上为机器翻译结果,长、整句建议使用 人工翻译 。
The problem arises because the SPF system only works out if e-mail comes from its claimed place of origin.
BBC: NEWS | Technology | Spammers exploit anti-spam trap
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