·1二级目(mù )录(lù )泛站主页连接 黑(hēi )帽SEO技(jì )术站群之间(jiān )做连接,底(dǐ )子都是单向(xiàng )连接(jiē ),具(jù )体单向连(lián )接是不是(shì )查(chá )找(zhǎo )引擎(qíng )会当作采(cǎi )购的连接而赏(shǎng )罚尚不可知,不过依(yī )据(jù )查(chá )找(zhǎo )引擎(qíng )的一些体现,好(hǎo )像对(duì )单(dān )向连接有必定的办法(fǎ )很明显的一个(gè )比(bǐ )如是检索quot
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