common malfunctions的用法和樣例：
例句
- This article discusses the malfunctions of optical sensors in medical equipments and their troubleshooting.
本文介紹了醫用電子儀器中光電傳感器的常見(jiàn)故障及其檢修。 - Common failure types in cupola melting, their reasons and removal methods was described.
摘要介紹沖天爐熔化常見(jiàn)故障的種類(lèi)，產(chǎn)生原因以及排除方法。
