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民用爆炸物品从业单位应当建立哪些安全管理制度？

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膏霜类粉饰化妆品中，钛白粉有增白效果，使化妆品有遮盖性。

A. 正确
B. 错误

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紊流运动粘度εm与流体运动粘度υ都是流体的物性参数，与Re和紊流程度有关

A. 正确
B. 错误

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While reviewing the HACMP log file， a warning message appears stating that a custom event script could not be found. A check of the current path settings indicates that all required paths are present. What step can be taken to correct the missing paths issues during cluster event processing？（）

A. Move the custom script to a different location such as /usr/sbin.
B. Include required paths at the start of the custom script.
C. Synchronize and verify the cluster to ensure both nodes are the same.
D. Create a pre event that sets the correct paths and executes the script.

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敏感性皮肤也可以使用磨砂膏。

A. 正确
B. 错误

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