锅壳锅炉的最低安全水位应( )。A:高于最高火界B:低于最高火界C:等于最高火界D:小于等于最高火界

作者: rantiku 人气: - 评论: 0
问题 锅壳锅炉的最低安全水位应( )。
选项 A:高于最高火界 B:低于最高火界 C:等于最高火界 D:小于等于最高火界
答案 A
解析

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