【单选题】The fire pumps must be capable of delivering a total quantity of water at a defined head, not less than _____ of the total bilge pumping capacity.
【简答题】S1:Stand by emergency fire pumps and report.S2:Emergency fire pumps standing by.Q:What are standing by?A. emergency fire extinguishers. B. emergency fire pumps. C. foam extinguishers. D. emergency fir...