55 A portable fire___________ can knock down small fire or control a large one until firefighters can stretch or advance a hoseline to the fire area.
(A)suppressor
(B)oppressor
(C)extinguisher
(D)exhauster .
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統計: A(36), B(27), C(218), D(37), E(0) #1217060
統計: A(36), B(27), C(218), D(37), E(0) #1217060