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35.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

答案：登入後觀看
難度： 適中
1F
Jine Ten Liu 高二上 (2015/09/12)
purpose


35.The required number of dual nozzles a..-阿摩線上測驗