spooler

詳細解釋：

spool.er

n.（名詞）
A computer program that sequences print jobs by temporarily storing them in a buffer and sending each to the printer when the printer is able to process it.Also called print spooler
緩衝器：通過把列印任務暫時儲存在緩衝器中，並在印表機可以處理時將每個列印任務發往印表機，從而對列印任務進行排序的計算機程式也作 print spooler