题目内容

餐车应配备4L水型灭火器（）具。

A. 1
B. 2
C. 3
D. 4

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A. Doing it for l is 3
B. Doing it for l is 1
C. Doing it for l is 2
Doing it for l is 0
E. Doing it for l is？C1
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