free edge meaning in Chinese
未经过立轧的边
未经轧制的边
自由边
自由边缘
自由折环
自由折环（扬声器）
Examples
- The end result is that the semiconductor and metal form two strips side by side , with all the electrical contacts ? two for sensing a voltage , two for passing a current in and out ? along the free edge of the semiconductor
结果半导体与金属变成相邻的长条状，所有电性接点都接到半导体的露出端：包括两个用来测量电压的接点，以及两个分别让电流流进与流出的接点。