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
詳解 (共 1 筆)
未解鎖
Dual purpose nozzles...
私人筆記 (共 1 筆)
未解鎖
40. 船上配備所需數量的雙_____噴...
阿摩線上測驗
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