acceleratorn.加速装置；油门；[物]加速器；[化]加速剂；促进剂accelerator centre[心]加速中枢accelerator engine加速引擎accelerator urinae[医] 球海绵体肌accelerator dosage促进剂用量,促进剂含量accelerator spring加速器弹簧accelerator output加速器输出量accelerator theory加速理论Accelerator driven加速器驱动accelerator buffer加速子缓冲器accelerator partus[医] 催产药