·1二级目(mù )录泛站(zhàn )主页连接 黑帽SEO技术(shù )站群之间做连接,底子都是(shì )单向连接,具体单(dān )向连接是不(bú )是查找引(yǐn )擎会当(dāng )作采购的连(lián )接而赏罚(fá )尚不(bú )可(kě )知,不(bú )过依据查找引(yǐn )擎的一些(xiē )体现(xiàn ),好像(xiàng )对单向(xiàng )连接(jiē )有(yǒu )必(bì )定的办法(fǎ )很明显(xiǎn )的(de )一(yī )个(gè )比如是(shì )检索quot
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