·1二级目录(lù )泛站(zhàn )主(zhǔ )页连接 黑帽SEO技(jì )术站群(qún )之间(jiān )做连接(jiē ),底(dǐ )子(zǐ )都(dōu )是(shì )单向(xiàng )连接,具(jù )体单向连接是不(bú )是(shì )查(chá )找引擎会当作采购的连接而赏(shǎng )罚尚(shàng )不(bú )可知,不过依(yī )据查找引(yǐn )擎的(de )一些体现,好像(xiàng )对单向连接(jiē )有必(bì )定的办(bàn )法很(hěn )明显的一个比(bǐ )如是检索quot
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