·1二(èr )级目录(lù )泛(fàn )站主页连接 黑(hēi )帽SEO技术(shù )站(zhàn )群之间做连(lián )接,底子都(dōu )是(shì )单(dān )向连(lián )接,具体(tǐ )单向(xiàng )连接是不是(shì )查找引擎会当作采(cǎi )购的连接而(ér )赏罚(fá )尚不可知,不(bú )过依据查(chá )找引擎的(de )一些体(tǐ )现,好像对单向(xiàng )连(lián )接(jiē )有必定(dìng )的办法很明显的一(yī )个(gè )比如是(shì )检(jiǎn )索quot
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