A、starters
B、pressure switches
C、pressure
D、water
更多“The domestic fresh water pump starters are controlled by pressure switches which operate when the pressure in the tank varies within predetermined limits as water is drawn offThe word “which” means （）.”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、Fresh water may be obtained from fish B、Lifeboat covers or canopies should be washed with rain before drinking water is collected C、Fresh water may be collected from condensation inside the liferaft D、Seawater should never be consumed
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