Recession in America, combined with stricter controls on the border, have at least slowed the flow of migrants, draining some of the poison from America's immigration debate.
美国经济的衰退连带着更加严格的边界控制至少减缓了移民的浪潮，使美国移民的争论暂时排出了一些毒汁。
The numerical computation of the result of vertical - horizontal combined seepage draining system of tailings dam built by up - stream method was studied.
对上游法尾矿坝垂直水平联合排渗系统，排渗效果的数值计算进行了研究。
The numerical computation of the result of vertical - horizontal combined seepage draining system of tailings dam built by up - stream method was studied.
对上游法尾矿坝垂直水平联合排渗系统，排渗效果的数值计算进行了研究。
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