·1二级目录泛站主(zhǔ )页连接 黑帽(mào )SEO技术(shù )站群(qún )之(zhī )间(jiān )做连(lián )接,底子都是(shì )单向(xiàng )连接,具体单向连接是不是查(chá )找(zhǎo )引擎会(huì )当作采购的连接(jiē )而赏罚(fá )尚(shàng )不可知,不过依据查找(zhǎo )引擎的一(yī )些体现(xiàn ),好像(xiàng )对(duì )单(dān )向(xiàng )连接有必定的办法很(hěn )明(míng )显(xiǎn )的一个比如是检(jiǎn )索(suǒ )quot
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