是否释放一个缓冲池槽，这是根据最近被使用(LRU)原则来决定的。
The decision to free up a buffer pool slot is based on the least recently used (LRU) principle.
清理操作台后面的墙壁，特别是洗涤槽(洗手池)和炉灶后面的墙壁。
Clean wall area behind all bench area especially behind sinks and hotplates.
在许多试验研究的基础上，提出了台阶式泄槽溢洪道泄槽及降低护坦式消力池的水力计算方法。
Based on extensive experimental studies, hydraulic computation methods are put forward for the design of the stepped discharge chute and the stilling basin formed by lowering apron.
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