1 二级目录(lù )泛(fàn )站主页连(lián )接 黑(hēi )帽SEO技术站群(qún )之间做连接,底子都(dōu )是单(dān )向连接,具体单向连(lián )接是不(bú )是查找引(yǐn )擎会当作采购的(de )连接(jiē )而赏(shǎng )罚(fá )尚(shàng )不(bú )可知,不过(guò )依据查找引(yǐn )擎的一些体现,好像对单向连接(jiē )有必(bì )定的办法(fǎ )很(hěn )明(míng )显(xiǎn )的(de )一(yī )个比如(rú )是检索quot
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