More than one stage of evaporation can take place by admitting the sea water into chambers with progressively () pressure in the flash evaporator.
- Alower
- Bhigher
- Cthe lower
- Dthe higher
More than one stage of evaporation can take place by admitting the sea water into chambers with progressively () pressure in the flash evaporator.
1、One of the signals,other than a distre
One of the signals,other than a distress signal,that can be used by a vessel to attract attention is a(n)().Ared star shellBsearchlightCburning barrelDorange smoke signal
2、One of the signals,other than a distre
One of the signals,other than a distress signal,that can be used by a rescue boat to attract attention is a/an().Ared star shellBsearchlightCburning barrelDorange smoke signal
3、If more than one raft is manned after
If more than one raft is manned after the vessel has sunk,you should().Ago in a different direction in search of landBspread out to increas...
4、One function of a language can only be
One function of a language can only be expressed by one structure.()A正确B错误
5、If more than one raft is manned after
If more than one raft is manned after the vessel has sunk,you should().AGo in a different direction in search of landBSpread out to increas...
6、More students than one ______ there.
More students than one ______ there.A has beenB have beenC had beenD would have been