common malfunctions

• 常见故障

common malfunctions的用法和样例：

例句

1. This article discusses the malfunctions of optical sensors in medical equipments and their troubleshooting.
   本文介绍了医用电子仪器中光电传感器的常见故障及其检修。
2. Common failure types in cupola melting, their reasons and removal methods was described.
   摘要介绍冲天炉熔化常见故障的种类，产生原因以及排除方法。