·1二级目录(lù )泛站(zhàn )主页(yè )连接(jiē ) 黑帽SEO技术站群(qún )之(zhī )间做(zuò )连接,底(dǐ )子都是单向(xiàng )连接,具体(tǐ )单向(xiàng )连接是不是查(chá )找引擎会当(dāng )作采购(gòu )的连接而赏罚(fá )尚不(bú )可(kě )知,不(bú )过依据查(chá )找引(yǐn )擎的(de )一些(xiē )体现,好像对(duì )单(dān )向(xiàng )连接(jiē )有必定的办法很(hěn )明显的一个比(bǐ )如是(shì )检索quot
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