短語(yǔ)詞組短語(yǔ)pulsation control system 脈動(dòng)式除冰帶控制系統(tǒng)flow -pulsation damping system 脈動(dòng)流量阻尼系統(tǒng)teat cup pulsation system 擠奶杯脈動(dòng)裝置 返回 pulsation system