A、they must be located at the after end of the engine
B、they can only be used with one engine at a time
C、they eliminate the need for controllable pitch propellers
D、they are connected to the engine with a flexible coupling
更多“In using reduction gears to obtain efficient propeller speeds, （）.”相关的问题
A、as the basis for star charts B、to enter a star finder C、in sight reduction using Pub 249 D、in sight reductions of planet observations
A、the use of a poor quality oil B、the deterioration of its properties C、the formation of deposits D、the reduction in heat transfer ability
A、must churn the oil in the sump B、is connected to the propeller shaft C、is driven at the highest RPM D、compensates for alignment variations between the engine and pinion gear
A、The deleted file is still open by the application.The system must be rebooted before'df' will show the reduction in the filesystem. B、The deleted file is still open by the application.The application must be stoppedbefore 'df' will show the reduction in the filesystem. C、The filesystem is still marked as full in the /etc/fs.status file.The system must be rebooted before 'df' will show the reduction in the filesystem. D、The filesystem is still marked as full in the /etc/fs.status file.The application must be stopped before 'df' will show the reduction in the filesystem.
A、Feeling the surface of the line for broken fibers B、Measuring the reduction in circumference of the line C、Observing for the appearance of mildew on the outer surface D、Opening the strands and examining the inner fibers
A、Configure MSDP between RPs. B、Redistribute multicast information in your IGP. C、Advertise S, G entries using MBGP. D、Configure PIM to advertise group information between RPs.
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