clock_t end = clock();
免抵退税办法，是指出口环节免征增值税，对应的进项税额抵减应纳增值税税额，未抵减完的部分予以退还；免退税办法，是指出口环节免征增值税，对应的进项税额予以退还。
。业内人士推荐搜狗输入法下载作为进阶阅读
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· 刘洋 · 来源：chart资讯