A、Start ventilation，lower the ramp，notify engine room
B、Lower the ramp，start ventilation，notify engine room
C、Notify engine room，lower the ramp，start ventilation
D、Start ventilation，notify engine room，lower the ramp
更多“Which of the following is the stated proper sequence before commencing cargo operations aboard Ro-Ro vessels?（）”相关的问题
A、Insert the followiing code at line 14 NotifyPropertyChanged("Data"); B、Insert the followiing code at line 16 NotifyPropertyChanged("Data"); C、Insert the followiing code at line 14 NotifyPropertyChanged(value); D、Insert the followiing code at line 16 NotifyPropertyChanged(value);
A、about which the vessel lists and trims B、which coincides with the center of buoyancy C、which，in the absence of external forces，is always vertically aligned with the center of gravity D、which is shown in the hydrostatic tables as VCB
A、aboat which the vessel lists and trims B、which coincides with the center of buoyancy C、which, in the absence of external forces, is always vertically aligned with the center of gravity D、which is shown in the hydrostatic tables as VCB
A、255.255.128.0 （11111111.11111111.10000000.00000000） B、255.255.192.0 （11111111.11111111.11000000.00000000） C、255.255.224.0 （11111111.11111111.11100000.00000000） D、255.255.240.0 （11111111.11111111.11110000.00000000）
A、about which the vessel lists and trims B、which coincides with the center of buoyancy C、which，in the absence of external forces，is always vertically aligned with the center of gravity D、which is shown in the hydrostatic tables as VCB
A、the center of volume of the immersed portion of the vessel B、the center of gravity of the water plane C、that point at which all the vertical downward forces of weight are considered to be concentrated D、that point at which all the vertical upward forces of buoyancy are considered to be concentrated
A、two rockets，one of which shall be the buoyant type B、three rockets，one of which shall be the buoyant type C、four rockets，two of which shall be the buoyant type D、five rockets，two of which shall be the buoyant type
A、which governs the state of a variable B、which provides a visual and audible alarm C、which indicates values of controlled variables D、which measures the state of the controlled variable
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