I donned a Red Cross uniform to work with war amputees at Walter Keed Hospital.我披上红十字会制服,在华特里德医院里为断臂残肢的伤兵服务.Sensors were fitted to the knee and ankle joints of lower - limb amputees.下肢截肢者则在其膝关节和踝关节设有传感器.They are Sierra L...
alkali sensitive碱灵敏的; 碱敏感的The alkali halides can be grown into large crystals of excellent transparency.硷金属卤化物能生长成具有优良透明性的大晶体.available alkali有效碱Outstanding alkali resistance, can be used in post - mercerized cotton soli...