当吸收塔浆液密度计故障时,可通过()参数来判断吸收塔浆液是否达到脱水程度。
A、脉冲悬浮泵电流;
B、浆液循环泵电流;
C、回流水泵电流;
D、增压风机电流。
参考答案:A, B
—Mum, would you please buy me an MP5 player?
—If you can help do the dishes the whole vacation, you ________ have one as a reward.
A.must
B.need
C.would
D.shall
男,22岁。胸痛,同时伴发热,气促,心界明显扩大,心尖搏动位于心浊音内约2cm,肝肋下5cm,心电图为窦性心动过速、低电压。最可能诊断是
A.急性心包炎
B.病毒性心肌炎
C.感染性心肌炎
D.扩张型心肌病
E.急性心肌梗死