·1二级目(mù )录泛(fàn )站(zhàn )主页连(lián )接 黑(hēi )帽SEO技术(shù )站群之间做连接,底子(zǐ )都是单向连(lián )接,具体单向(xiàng )连接是不是(shì )查找引(yǐn )擎(qíng )会(huì )当作采(cǎi )购的(de )连(lián )接(jiē )而赏(shǎng )罚尚(shàng )不可知(zhī ),不(bú )过(guò )依据查(chá )找(zhǎo )引擎的一(yī )些体现,好像对单向连接(jiē )有(yǒu )必定的办(bàn )法(fǎ )很明显的一个比(bǐ )如是检索quot
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