A shortage of funds is preventing the UN from monitoring relief...资金短缺使联合国无法督导救援工作。The emphasis is swinging away from simply finding cures for illness to ways of preventing illness in the first place.重点正从简单地对症下药转移到先期预防的方...
拖到绘图页上. 右击可设置切角角度.Drag onto the page. Right - click to set chamfer angle.内径和外径以及斜面都可调整的切角垫圈或垫片.Chamfered washer or spacer with adjustable inside and outside diameters and chamfer.◆剪切角可调,减少板料扭曲变形.Rectangle blade with four...