curtain ring的用法和樣例：
例句
- You can control the motor moving left and right on the curtain staff to drive the window curtain close or open eadily by pressing the button of the controller only.
使用時(shí)，只需輕輕一按遙控器或線(xiàn)控器按鈕，控制器即指揮電機在滑桿上左右運動(dòng)，電機通過(guò)窗簾環(huán)驅動(dòng)窗簾開(kāi)閉。
詞匯搭配
- ring up the curtain 響鈴開(kāi)幕(開(kāi)始)...
- ring down the curtain 響鈴開(kāi)幕(開(kāi)始)...
