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当前学科:压缩机工
题目:
单选题
在()时,可燃性气体稍有泄漏就会形成爆炸条件,因此要严格控制可燃气体泄漏。
A
爆炸下限浓度低
B
爆炸上限浓度低
C
爆炸上限浓度高
D
爆炸下限浓度高
答案:
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