Forty - five convalescent patients with acute myocardial infarction were studied by dobutamine echocardiography stress test ( EDST ).用超声心动图多巴酚丁胺负荷试验 ( DEST ) 检查了45例急性心肌梗塞恢复期病人.Echocardiography revealed massive right hemo...
I was pitched into the water and swam ashore.我被甩到水里后向岸边游去。He rowed her ashore and then continued trolling around the lake.他拢岸让她下船，然后继续悠闲地在湖上划着。He went ashore leaving me to start repairing the torn sail.他上岸去了，留下我修理被撕破的船帆。...
为减少磨损,沸腾炉内蒸发管采用加焊半圆形钢板防磨.Semicircle steel sheets were welded on the wall of evaporation pipes in fluidizedroaster for anti - abrasion.实验结果表明,采用蒸发管供油驻涡燃烧室具有良好的点火特性和贫油熄火性能.The results of the experiment indicate that the TV...