The SPU (a) queues a DMA PUT to transmit the contents of buffer #1 and then (b) queues a DMA GETB to execute after the PUT to refill the buffer with the next portion of data from main memory.
SPU (a) 对DMAPUT 进行排队来传输一号缓冲区的内容，然后 (b) 对 DMAGETB 进行排队，从而在 PUT之后用主内存中的下一部分数据重新填充这个缓冲区。
B, single screw pump before adding buffer tank in pipeline, the buffering can store a certain amount of crude oil, and a current limiting device for mixture pumps supply a certain amount of crude oil.
单螺杆泵前管路中增设缓冲罐，在缓冲罐里储存一定量的原油，并用一套限流装置给混输泵供给一定量的原油。
B, single screw pump before adding buffer tank in pipeline, the buffering can store a certain amount of crude oil, and a current limiting device for mixture pumps supply a certain amount of crude oil.
单螺杆泵前管路中增设缓冲罐，在缓冲罐里储存一定量的原油，并用一套限流装置给混输泵供给一定量的原油。
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