问题
问答题 简答题
为什么中央泵房必须装设向外开的防火铁门？
答案
参考答案：
中央泵房应装设向外开的防火铁门，一旦泵房内部发生电气火灾时，能够防止人员拥挤在门口处而打不开防火门，延误人员撤离火区。
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为什么中央泵房必须装设向外开的防火铁门？
参考答案：
中央泵房应装设向外开的防火铁门，一旦泵房内部发生电气火灾时，能够防止人员拥挤在门口处而打不开防火门，延误人员撤离火区。
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2. The teacher looked at the clean classroom and said we _____ a good job. 3. The Smiths _____ greatly in the last two years. 4. He heard her singing aloud in the next room, so he _____ in a louder voice. 5. It was said that some foreigners _____ our class the next week. 6. They have done what they can _____ us finish the work. 7. Why are there so many people over there? Let's go and see what ______ on. 8. My family _____ at table when the door bell rang. 9. It's very cold in the room. Let's make a fire _____ us warm. 10. What do you think _____ about at the meeting tomorrow? |