·1二级目录泛站主页(yè )连(lián )接(jiē ) 黑帽SEO技术(shù )站群之间做连接(jiē ),底子都是单向连(lián )接,具体单(dān )向连接是不(bú )是查(chá )找(zhǎo )引擎(qíng )会(huì )当作采(cǎi )购(gòu )的连(lián )接(jiē )而(ér )赏罚尚(shàng )不可(kě )知,不(bú )过依据查找引擎的一些体现,好像对单(dān )向连接(jiē )有(yǒu )必定(dìng )的办法(fǎ )很明(míng )显的一(yī )个比如是(shì )检索quot
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