Wunan Area 乌南地区
Wunan Oilfield 乌南油田
Wunan Gold Deposit 梧南金矿
Wunan sub-depression 乌南次凹
WUNAN COUNTY PENGHU YONGCHUN 公司地址
Yangpu Wunan International Trade Co 洋浦武南国际贸易有限公司
Research methods: Take the double-track tunnel in the Lanzhou-Wunan for example, the relation graph of train speed and maximum pressure has been simulated and figured out with the formula.
研究目的：通过计算，分析我国双线隧道中存在的瞬变压力问题，并提出相应的缓解措施。
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