短语词组短語fixture pileup 夾具堆積;已夾具pileup rejection 脈沖堆積dislocation pileup 位錯塞積as pileup 砷的堆積naturally pileup 自然堆存pileup effect 堆壘反應SKY pileup 天空堆積;正在繙譯Pileup p 追尾pileup valve 集成閥 返回 pileup