1 二级(jí )目录泛站(zhàn )主页连接 黑帽SEO技术站(zhàn )群之间(jiān )做连(lián )接,底子(zǐ )都是单(dān )向连接,具(jù )体单(dān )向连接(jiē )是(shì )不是(shì )查(chá )找(zhǎo )引擎会当作采购的连接而赏(shǎng )罚尚不(bú )可知,不(bú )过(guò )依据查(chá )找(zhǎo )引擎的一些体(tǐ )现(xiàn ),好(hǎo )像对单向连接有必(bì )定(dìng )的办法很(hěn )明(míng )显的一个比如(rú )是检(jiǎn )索quot
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