低温对流受热面烟气侧的腐蚀,简称低温腐蚀,对于现代锅炉,主要发生在低温段省煤器尾部。()
参考答案:错
下列名山中属于“五岳”的是( )。
A.东岳山东泰山
B.西岳陕西华山
C.中岳河南嵩山
D.北岳山西恒山
E.南岳湖南衡山
When I reach the school grounds there are lots of "good mornings" _____ me _____ the boys, many _____
whom have walked a long way, sometimes up _____ two hours, to get to the school. [ ]
A. to; of; from; for
B. of; from; for; to
C. from; for; to; of
D. for; from; of; to