A、grinding the spare plunger to the barrel
B、replacing the plunger and the barrel
C、highly polishing both the plunger and barrel
D、replacing plunger only
更多“Because of the close tolerances used in diesel engine fuel oil pumps, a worn plunger requires（）”相关的问题
A、Because Uluru is located there. B、Because it is extremely hot and dry. C、Because it consists of miles and miles of red-sand desert and mountain ranges. D、Because it lies in the tropics.
A、Because Australia is too far away from Europe. B、Because Australia is the least mountainous and most level of the world.s continents. C、Because Australia is separated from the rest of the world by seas. D、Because most of the continent is hot and dry.
A、It creates the table successfully but does not encrypt any inserted data in the EMPNAME column because the wallet must be opened to encrypt columns with SALT. B、It generates an error when creating the table because the wallet is closed. C、It creates the table successfully, and encrypts any inserted data in the EMPNAME column because the wallet needs to be open only for tablespace creation. D、It generates error when creating the table, because the salt option cannot be used with encrypted tablespaces.
A、Closing of the solenoid valve B、Closing of the expansion valve C、An increase in the suction pressure D、Decreasing the suction pressure
A、The RMAN backup fails because the TOOLS tablespace is read-only B、The RMAN skips the backup of the tablespace because backup optimization is enabled C、The RMAN makes backup because optimization can be enabled only for backups to disk D、The RMAN makes the backup because no backup of the tablespace exists within the seven day window
A、Downwind so that the apparent wind is close to nil B、A course that will keep a free flow of air，clear of smoke，over the hoist area C、A course that will have the hoist area in the lee of the superstructure D、With the wind dead ahead because the helicopter is more maneuverable when going into the wind
A、The work of opening and closing hatches is usually done by crew members. B、The work of opening and closing hatch covers is usually done by crew members. C、The work of opening hatch covers is usually done by crew members. D、The work of closing hatch covers is usually done by crew members.
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