对不同渗透性的砂层及岩心,均具有较好的封堵效果.It is suitable to the sand beds and cores with various permeabilities.封堵旅客使用的马车路是违法的.It is illegal to block any traveled wagon road.可取式桥塞是一种油田用井下封堵工具.Removable bridge plug is an oil filed down - h...
The drug attenuates the effects of the virus.这药能减轻病毒的危害。This attenuates the offside signal.这样做会降低来自四周的信号.Earth filtering effect rapidly attenuates high frequency contents and distortswavelet phase characteristics.大地滤波作用不...
This should be supported by the removal of distortions in credit markets.这还应辅以取消在信贷市场上的不合理的做法.Existing distortions in wage differentials will be magnified.工资差别上存在的扭曲现象将被加剧.Anastigmatic lens : Photographic lens corrected ...