·1二(èr )级目录泛站主页(yè )连接 黑帽SEO技术站(zhàn )群之间(jiān )做连(lián )接,底(dǐ )子都(dōu )是单(dān )向连接(jiē ),具体单(dān )向连(lián )接(jiē )是不是查找引擎会当(dāng )作采购的连接而赏(shǎng )罚尚(shàng )不可(kě )知,不(bú )过依(yī )据查找引(yǐn )擎的一(yī )些体现,好像对单(dān )向连(lián )接有必定的办法很明(míng )显的(de )一个比(bǐ )如是(shì )检(jiǎn )索quot
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