选择题：19. 锅炉所有水位计损坏时应(本题2.0分) A、紧急停炉 B、申请停炉 C、通知检修维护人

题目内容：

19. 锅炉所有水位计损坏时应(本题2.0分)
A、紧急停炉
B、申请停炉
C、通知检修维护人员

参考答案：

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张若虚《春江花月夜》体现对宇宙人生思考的句子是( )(本题2.0分) A、春江潮水连海平,海上明月共潮生。 B、江天一色无纤尘,皎皎空中孤月轮。 C、人生

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