短語(yǔ)詞組短語(yǔ)hanging spring -balance 懸掛的彈簧秤英語(yǔ)spring roll balance arrangement 彈簧式平衡裝置spring roll balance 軋輥的彈簧式平衡;詳細(xì)繙譯spring g balance 彈簧秤;彈簧天平spring -balance safety valve 彈簧平衡安全閥compression spring balance 壓縮彈簧天平crossed -spring balance 交錯(cuò)式彈簧平衡儀hand spring balance 手提式彈簧吊秤 返回 spring balance