短語詞組短語balancing g weight 平衡錘roll balancing counter weight 軋輥平衡錘counter -balancing weight 配平重量auxiliary balancing weight 輔助平衡法碼weight balancing 重量平衡weight and balancing test 權(quán)衡測試法;衡重試驗weight for balancing 平衡重weight t balancing 重量平衡 返回 balancing weight