A、water level
B、water flow
C、temperature
D、pressure
更多“In a domestic fresh water system, the pump starters are controlled by （） switches which operate when the pressure in the tank varies within predetermined limits as water is drawn off.”相关的问题
A、A.the provision to be provided when the vessel sails in fresh water area B、B.the fresh water to be carried by a vessel C、C.the allowance of fresh water for each crew member when in distress at sea D、D.the amount of free board decreased when sailing in fresh water area
A、log the density of the water B、secure all overboard discharges C、take on fresh water ballast D、clean the sides with fresh water
A、A.one salt water, one fresh water B、B.one salt water, one fuel C、C.one fresh water, one fuel D、D.one steam, one fuel
A、no equipment in contact with sea water B、less equipment in contact with fresh water C、more equipment in contact with sea water D、less equipment in contact with sea water
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