Secondly, the site where MOCVD device is operated has loud noise, the operation environment is bad, and MOCVD response cycle is long, all these conditions are not good for manual operation.

• 其次,使用MOCVD设备的现场噪声大,工作环境差,且MOCVD反应周期比较长,对人工进行设备操作极为不利。