短语词组短语slag build up -up 焊渣块build -up effect 聚集效应;积累效应voltage build -up 电压升高;起压;电压建起;电压上升dose build -up 剂量建成viscosity build -up 造粘coke build -up 碳堆积Build -Up Cost 累积成本 返回 build-up