一驶出内防波堤，我们就扬起了所有的船帆。Once outside the inner breakwater, we began to unfurl all the sails.在防波堤后面挖泥船正在工作.Back of the breakwater the dredger was working.他们以乱石基巩固防波堤.They riprapped the breakwater with stone....
测量潘生丁药物负荷试验前后舒张期峰值血流速度及CVR值.Peak diastolic flow velocity and CVR before and during infusion of dipridamole were calculated.目的观察甲氰咪胍联合潘生丁治疗小儿病毒性腹泻的有效性与安全性.Objective To evaluate the effectivity and safety of child virus di...