短語詞組短語cascade speed control [機(jī)]串級調(diào)速;串級調(diào)速cascade e control system 鑄鉄散熱器;級聯(lián)控制系統(tǒng)cascade loop control 串級廻路控制cascade e control 級聯(lián)控制Cascade servo control 串級伺服控制cascade centralized control center 梯級集控中心cascade speed control system 串級調(diào)速系統(tǒng)cascade DO control 串級 返回 cascade control