问题
单项选择题
连续加热炉炉压控制的基本要求是固定梁平面保持（）。
A.正压
B.0压或微负压
C.0压或微正压
答案
参考答案：C
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连续加热炉炉压控制的基本要求是固定梁平面保持（）。
A.正压
B.0压或微负压
C.0压或微正压
参考答案：C
My name is Li Lei. I am a student. I 1 in Star Middle School. 2 six grades in our school. I am in 3 . I go to school 4 in the morning. There are four 5 in the morning and two in the afternoon. We study Chinese, Maths, English and some 6 lessons. There are 7 teachers 8 school. 9 good teachers. They are 10 to us.
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