Forget using a pool cleaning machine that costs hundreds to run a year, tennis balls can be used as a pool cleaner.
使用一个泳池清洗机每年要花费数百美元，所以赶紧弃用吧，网球们完全可以代替它清洁泳池。
Db2 page Cleaner (db2pclnr) : Equivalent to DBWR process in Oracle, this process cleans the buffer pool before pages from the disk are moved into the BP.
db 2PageCleaner (db2pclnr)：相当于Oracle中的DBWR进程，该进程在将页从磁盘上转移到BP中之前，清理缓冲池。
Contrary to the river, swimming pool is much cleaner and more standard.
和江河相反，游泳池更干净而且更标准化。
Contrary to the river, swimming pool is much cleaner and more standard.
和江河相反，游泳池更干净而且更标准化。
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