1 二级(jí )目录泛站主页(yè )连接 黑(hēi )帽SEO技术站(zhàn )群(qún )之(zhī )间(jiān )做连(lián )接,底子都(dōu )是单向连接,具体单向连接是不是查(chá )找引(yǐn )擎会(huì )当(dāng )作采购(gòu )的连接而赏(shǎng )罚尚(shàng )不可(kě )知,不过依(yī )据查找(zhǎo )引(yǐn )擎(qíng )的一(yī )些(xiē )体(tǐ )现(xiàn ),好像对单向(xiàng )连接有必(bì )定的办法很明显的(de )一个比如是检索(suǒ )quot
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