40. The required number of dual _____ nozzles are on board, and each fire hose together
with any necessary fittings and tools kept ready for use in a conspicuous position near water
service hydrants or connections.
(A) usage
(B) alternatives
(C) selection
(D) purpose
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統計: A(121), B(202), C(105), D(427), E(0) #1973668
統計: A(121), B(202), C(105), D(427), E(0) #1973668
詳解 (共 2 筆)
#5954298
Dual purpose nozzles雙用噴嘴
6
0