计 光闸… Read the rest
化 灌封机… Read the rest
关店, 停业, … Read the rest
电 晶体帘… Read the rest
电 波导光阀… Read the rest
医 X线管光闸… Read the rest
计 电子快门… Read the rest
旧式快门… Read the rest
*[‘ʃʌtә]n. … Read the rest