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- well drainage area 油井排油区
- The oil drainage area can be improved when the branch length or branch number is increased,and the well deliverability will be in... 复杂结构井的产能关系式能够涵盖常规水平井,具有水平井产能关系的一般性特征。
- This small drainage area will not be influenced by the Siberian cold current. 这小流域不会受到西伯利亚寒流的影响。
- Drainage area of 1000 square kilometers of the Yellow River, and Qinhe Fenhe. 流域面积在1000平方公里以上的有黄河干流、汾河和沁河。
- The groundwater mainly concentrates in Karstic fractures of limestone in middle Ordovician. At the runoff and drainage area, the specific well discharge of well hole is usually more than 1000 m3/d. 地下水主要集中于中奥陶系石灰岩的岩溶裂隙中;在径流及排泄区;井孔单位涌水量一般大于1000m3/d.
- Conditions that are correlated with accelerated deposition include drainage area, gully development, and texture of source material. 与加速沉积有关的条件包括流域面积，沟壑发育状况和土壤结构等。
- The State Department held a meeting today to deploy the Huai River drainage area water pollution prevention and treatment work. 国务院今天召开会议，部署淮河流域水污染的防治工作。
- The siphon drainage effect of hank slope will improve if the distance between bailing wells, or controlling drainage area, is smaller. 港口岸坡虹吸排水系统中汲水井的间距越小或控制排水面积越小，则越能提高岸坡的虹吸排水效果。
- Decisive measures must be adopted to prevent serious water pollution accidents from happening again in the Huai River drainage area. 要采取果断措施，防止淮河流域再次发生重大水污染事故。
- The wreckage was discovered in a moderately wooded drainage area about 3 nm northeast of SFF at an elevation of 2,300 feet msl. 飞机残骸在SFF机场东北方向3海里海拔高度2300英尺的一片树木茂密的灌溉渠附近被发现。
- Primitive agriculture in Hainan Island emerged in new stone ages, late r than Huanghe and Changjiang drainage area and other places in South China. 海南岛原始农业起源较黄河、长江流域及华南地区其它地方为晚,大约发生在新石器中期。
- This illuminates that the gully ratio of slops and the drainage area could control the form and progress of debris flow. 其中沟床比降和流域面积的分维值最小，对泥石流沟的形成、演变控制最为显著。
- A seasonally flooded bottomland with more woody plants than a marsh and better drainage than a bog. 沼泽地:随季节淹没的低地,带有比湿地多的木质植物,比泥塘的排水要好。
- The drainage area of the Lengi River upstream of the proposed mining area at Banko Tengah is reported to be 71 square kilometers. 兰芝河的流域在规划在盘古的矿区的上游。根据报道，南廷加有71平方公里。
- Conclusion:The clasp retained cyst plug is a better drainage device for marsupialized large odontogenic cysts. 结论：卡环固位的囊肿塞是大型牙源性囊肿袋形术后维持囊腔引流的一种较好装置。
- The drainage area water quality monitoring station make an important role of outpost in the rivers' significant pollution accident. 流域水质监测站对发生在江河中的重大水质污染事故中承担着前哨的重要作用。
- The method improves the precision of the precipitation isoline and is important to count the surface precipitation of the drainage area. 结果表明该方法提高了绘制等雨量线的质量，对于计算流域的面雨量具有重要实际意义。
- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
- The content of the paper bases on SEI3DGIS and the application system-GeographicInformation System of Luan River Drainage Area. 本文的研究内容主要基于三维地理信息系统平台SEI3DGIS及滦河中下游流域三维场景演示系统。
- The plastic pot had better drainage and higher ODR, so the plant grown in plastic pot had higher growth performance and root vigor than that in fabric bag grown or in field. 试验结果显示：黑板树之田间苗和不织布袋苗的土壤氧气扩散速率偏低，以致减缓苗木的生长；
