为什么吹扫时需保持30%额定风量?
参考答案:
锅炉吹扫必须保持30%额定风量,才能使炉膛烟道内残余可燃气体清除干净。
_____ out more about our products, fill in the form and send it to us at the address _____ below.
A.Finding, giving
B.To find, given
C.Finding, given
D.To find, giving
出现颞叶钩回疝时,有定位意义的瞳孔变化是()
A.患侧瞳孔逐渐扩大
B.患侧瞳孔逐渐缩小
C.双侧瞳孔散大
D.双侧瞳孔缩小
E.双侧瞳孔大小多变