锅炉汽包内旋风分离器歪倒数个,引起汽包同侧蒸汽的含钠量升高,需要采取的措施是()。A 发布时间:2020-01-06 18:57 │ 来源:www.tikuol.com 题型:单项选择题 问题: 锅炉汽包内旋风分离器歪倒数个,引起汽包同侧蒸汽的含钠量升高,需要采取的措施是()。A.开大连排B.定排一次C.申清锅炉检修D.改变锅炉运行工况
题型:单项选择题 I have bought two ball-pens, ______ writes well.A. neither of them B. none of them C. neither of which D. none of which 查看答案