省煤器用的护铁映压成弧形,对管子的包覆角应为( )A.90°~120°B.120°~150°C.120°~180°D.150°~180°
省煤器用的护铁映压成弧形,对管子的包覆角应为( )
A.90°~120°
B.120°~150°
C.120°~180°
D.150°~180°
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中度脱水第一天补液总量为A.50~90ml/(kg?d.)B.90~120ml/(kg?d)C.120~150ml/(kg?d)D.150~180ml/(kg?d)E.180~250ml/(kg?d)
入院24小时的补液总量及所选用液体应为A.60~80ml/kg,1/2张液体B.90~120ml/kg,2/3张液体C.120~150ml/kg,1/2张液体D.150~180ml/kg,2/3张液体E.180~200ml/kg,1/2张液体
该患儿的补液方案为A.90~120ml/Kg,2:3:1液B.120~150ml/Kg,2:3:1液C.120~150ml/Kg,2:1液D.150~180ml/Kg,2:3:1液E.150~180ml/Kg,2:1液
省煤器管用的护铁应压成弧形,其对管壁的包覆角应以多大为宜()。A、120°~180°B、45°~90°C、90°~120°