1 二(èr )级目录泛站主页连接(jiē ) 黑帽(mào )SEO技术站(zhàn )群之间做(zuò )连接(jiē ),底(dǐ )子(zǐ )都(dōu )是(shì )单向(xiàng )连接,具体单(dān )向连(lián )接是不是查(chá )找(zhǎo )引擎(qíng )会当(dāng )作采购的连接而赏罚尚(shàng )不(bú )可(kě )知,不过依据查找(zhǎo )引(yǐn )擎(qíng )的一(yī )些体(tǐ )现(xiàn ),好(hǎo )像对单(dān )向连接(jiē )有必定的办法很明显的一个比如是(shì )检索quot
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