The content of the research on changing the high shaft into a main ore-pass in Yong-Sha-Ba mine has three parts.
用沙坝矿高大副井改主溜井的研究内容主要分为三个部分：溜井放矿规律研究与振动出矿及相关技术的应用研究；
One of my colleague found one and he tracked a long way from Sha Ping Ba to Jie Fang Bei and then to Jiang Bei to exchange this note at the major stores in Chongqing.
有同事找到了一张，从沙坪坝到解放碑再到江北，几乎跑遍了重庆的主流商场，均被商家以无此活动而拒之门外。
The modern life scene of Ba-Sha Miaos is the best explanation of ancient harvesting and processing.
岜沙苗族人的现代生活场景是古代谷物收割、加工方式的最好诠释。
The modern life scene of Ba-Sha Miaos is the best explanation of ancient harvesting and processing.
岜沙苗族人的现代生活场景是古代谷物收割、加工方式的最好诠释。
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