·1二级目录泛站主页(yè )连接 黑帽SEO技术站(zhàn )群(qún )之间做连(lián )接,底子都(dōu )是单向连接,具(jù )体单向(xiàng )连(lián )接是不是查找(zhǎo )引擎(qíng )会当作采购的连(lián )接(jiē )而赏罚(fá )尚(shàng )不(bú )可知(zhī ),不(bú )过(guò )依(yī )据(jù )查找引擎的一些体(tǐ )现,好像(xiàng )对单向连接有必(bì )定的办法很(hěn )明显的一(yī )个比(bǐ )如(rú )是检索(suǒ )quot
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