水平盘管废气锅炉各层盘管进口节流程度应该是()。
A.下层大
B.上层大
C.相同
D.不用节流
参考答案:D
---Where may you advise me to start my business?
---In my opinion, Yichang is __________one of __________ best places for you.
A.the, the
B./, the
C.the, /
D./, /
干皮症又称做()
A.性联隐性鱼鳞病
B.寻常型鱼鳞病
C.板层状鱼鳞病
D.先天性大疱性鱼鳞病样红皮病