問題詳情

38.How do you set off a portable CO2 (Carbon dioxide) fire extinguisher with a squeeze grip typerelease valve?
(A)push upper handle down
(B)open handle wheel
(C)pull lower handle up
(D)pull upper handle up

參考答案

答案:A
難度:適中0.655172
統計:A(19),B(3),C(4),D(2),E(0)

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