When the direction handle of telegraph is moved, the relative position of camshaft and crankshaft will be()
A、changed accordingly
B、unchanged
C、positioned ahead
D、positioned astern
A、changed accordingly
B、unchanged
C、positioned ahead
D、positioned astern
A、direction the wind is blowing toward B、direction the wind is blowing from C、duration of the maximum gust of wind D、wind chill factor
A、When attacking the fire directly B、When using a steam smothering system C、When using the fixed CO2 system D、All of the above
A、A."slow" direction, just before the 12 o'clock position B、B."fast" direction, just after the 12 o'clock position C、C."fast" direction, just before the 12 o'clock position D、D."slow" direction, just after the 12 o'clock position
A、Changes direction clockwise,as from north to east,etc B、Changes direction violently and erratically C、Remains constant in direction and speed D、Changes direction counterclockwise,as from south to east,etc
A、In the same direction as the anticipated drift B、In the opposite direction of the anticipated drift C、Perpendicular to the line of anticipated drift D、Downwind
A、In the same direction as the anticipated drift B、In the opposite direction of the anticipated drift C、Perpendicular to the line of anticipated drift D、Downwind
A、crossing your course in the same direction B、crossing your course in opposite directions C、parallel to the pier from ahead D、setting you on the pier