Before replacing a piston you should check the rings to see that all clearances and gaps are () the permissible tolerances.
A、above
B、at
C、over
D、within
A、above
B、at
C、over
D、within
A、A.every 6 months after initial installation B、B.every 12 months after initial installation C、C.every 24 months after initial installation D、D.on or before the expiration date of the power source
A、the oil feeding is stopped and replaced by admitting flushing water B、the flushing water feeding is stopped and replaced by admitting oil C、the feeding of dirty oil and flushing water is stopped D、the feeding of dirty oil and flushing water is admitted
A、deflection B、discrepancy C、error D、tolerance
A、load replace last-active B、load rollback 1 C、rollback 1 D、rollback last-active
A、The file system superblock is dirty. It can be replaced from the VGDA B、The logical volume superblock is dirty. It can be replaced from the VGDA C、The file system superblock is dirty. It can be replaced from the secondary copy D、The logical volume superblock is dirty. It can be replaced from the secondary copy
A、A. Processor B、B. Hard drive C、C. Battery D、D. Optical drive
A、p:after B、div:before C、myclass D、input:checked