·1二级目(mù )录(lù )泛(fàn )站主页(yè )连接 黑(hēi )帽SEO技术站(zhàn )群之间(jiān )做连(lián )接,底子(zǐ )都(dōu )是(shì )单向(xiàng )连接,具体单向(xiàng )连(lián )接(jiē )是不(bú )是查找引擎(qíng )会(huì )当作采购的(de )连接而(ér )赏罚(fá )尚不可知,不(bú )过依据查找引(yǐn )擎的(de )一些体现,好像对(duì )单向连接有必定的办(bàn )法很明显的一个比如是(shì )检(jiǎn )索quot
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