调节阀外泄,如何加以处理?
参考答案:
可采用如下措施:1)增加密封措施;2)增加填料;3)更换石墨填料;4)改变流向;5)更换密封垫片。
There are several people who have called _______ the advertisement we placed in yesterday’s newspaper.
A.in favour of
B.in response to
C.in honour of
D.in return for
患儿,男,8天,体重1200g,早产1个月,生后6天出现嗜睡,吸乳无力,间断呕吐,大便为暗红色血便,查体:体温38.8℃,腹部膨隆,X线腹部平片见腹部胀气,肠管增粗,部分肠管间隙增宽,肠壁可见小囊状气肿影,化验:白细胞18×109/L,最可能的诊断是
A.先天性肠狭窄
B.巨结肠
C.急性肠套叠
D.急性坏死性小肠结肠炎
E.美克尔憩室并出血