常见例句雙語例句To this end, each drawing roller (2.1, 2.2) is associated with a separately controllable drive device (3.1, 3.2).爲此給每個拉伸輥（2.1、2.2）分配一個 可單獨控制的敺動裝置（3.1、3.2）。ip.com 返回 separately controllable