A.the vapor and air mixture is too rich
B.it is mixed with certain proportions of air
C.the vapor is too little compared to the air
D.it is of heavy toxicity
您可能感興趣的試卷
你可能感興趣的試題
A.manifold
B.remote pull box
C.discharge nozzle
D.machinery space
A.AIS
B.SSAS
C.SSP
D.SART
A.Maintain balance and move with agility
B.Climb up and down vertical ladders and stairways
C.Open and close watertight doors
D.Take part in vessel evacuation procedures
A.small-scale charts
B.medium-scale charts
C.large-scale charts
D.natural scale charts
A.a high pressure area with cool, dry air and fair weather
B.a high pressure area with warm, moist air and inclement weather
C.horse latitudes, with rough seas and strong winds
D.a heavy squall line near the “H”
最新試題
What is a CORRECT reply to a pilot’s request, How’s your heading?（）
（）is where the crew eat their meals.
The loading of the ship must be done in accordance with（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
Which of the following is not a form of precipitation?（）
When the wave period and the apparent rolling period are the same（）.
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
The circulation around a low pressure center in the Northern Hemisphere is（）.
（）is on the panel of radar.
The mean draft of a ship is the draft（）.