·1二(èr )级目录(lù )泛站(zhàn )主(zhǔ )页连接 黑(hēi )帽(mào )SEO技(jì )术站群之间做连接(jiē ),底(dǐ )子都(dōu )是单(dān )向连(lián )接(jiē ),具体单向连接是不是查找引(yǐn )擎会当作(zuò )采购的连接(jiē )而赏罚(fá )尚不(bú )可知,不过依据(jù )查找引擎的一(yī )些(xiē )体现(xiàn ),好像对单向(xiàng )连接(jiē )有必(bì )定(dìng )的办法很明显的一(yī )个比如是(shì )检索quot
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