wafer switch meaning in Chinese

夹层开关
晶片开关
圆盘开关
圆片开关

Sectional specification for rotary wafer switches for telecommunication
通信用旋转晶片开关分规范
Rotary wafer switches , diameter 17 mm , 12 positions , radial soldering terminals ; main dimensions
径向焊接终端直径为17 mm的12部位旋转式晶片开关
Rotary wafer switches 17 mm diameter ; 10 and 12 positions axial soldering ; dimensions , ratings , requirements and tests
直径17mm旋转夹层开关.轴向焊接10和12个位置.尺寸
Electromechanical components for electronic equipment of assessed quality . rotary wafer switches . general requirements
经质量评估的电子设备用机电元件.旋转圆片开关.一般要求
Rotary wafer switches 12 31 mm , 12 positions ; soldering terminals , rectangular to the driving shaft ; dimensions , ratings , requirements , tests
12位置12 31 mm旋转式晶片开关.与转动轴成直角的