Some sea water came into the wheel house during the voyage due to()the window thereof.
A、not close
B、not closing
C、we didn't close
D、not to be closed
A、not close
B、not closing
C、we didn't close
D、not to be closed
A、by cooling sea water B、by heating sea water C、by evaporation of sea water D、by purifying sea water
A、sea water temperature must never be warmer than 40℃ B、jacket water pressure should always be greater than the sea water pressure C、jacket water temperature must always be less than 60℃ D、jacket water pressure must always be less than the sea water pressure
A、Sea water is heated to boiling temperature under a vacuum B、Sea water is passed over heated plates in a thin film C、Heated sea water is injected into a vacuum chamber D、Sea water is forced through a heated eductor
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