·1二级(jí )目(mù )录(lù )泛(fàn )站(zhàn )主页连接 黑(hēi )帽SEO技术站群(qún )之间做连(lián )接,底(dǐ )子都是(shì )单向(xiàng )连接,具体单向连(lián )接(jiē )是不是查(chá )找引(yǐn )擎(qíng )会当作采购(gòu )的连接(jiē )而赏罚尚不(bú )可(kě )知,不过(guò )依据查找引擎的一(yī )些(xiē )体现,好像对单(dān )向连接有必(bì )定的办(bàn )法很明(míng )显的一个比(bǐ )如(rú )是检索quot
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