An aquifer is a water - bearing rock stratum such as sandstone and chalk.地下蓄水层是一些有水的岩石层,如沙岩和白垩岩....the corruption that pervades every stratum of the country...渗透到社会各阶层的腐败An aquifer is a water-bearing rock stratum such as...
An aquifer is a water - bearing rock stratum such as sandstone and chalk.地下蓄水层是一些有水的岩石层,如沙岩和白垩岩.The coal is a coal resource that reserves in old stratum.石煤是贮藏在古老地层中的一种煤炭资源.A portion of bedrock or other stratum protruding...
The government conceded the right to establish independent trade unions...政府承认建立独立工会的权利。The government brought itself to the brink of fiscal disaster...政府把自己推向了财政危机的边缘。The government's policies of divide and rule ha...
详细阐述了传统铝钢压焊和钎焊在控制金属间化合物层厚度方面的优势,并且指出了其在工业实际生产中的不足.The thickness the intermetallic compound between steel and aluminium theaffect the properties of the dissimilar joint.拥有国际上最先进的钢 格板 自动压焊机.The company has held the advance...