Maintenance of equipment
[经] 设备的保养(费), 设备维修(费)
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Of course.
当然。
Familiar paths and old friends are the best.
熟路好遵循，老友最可珍。
Some friends of my family had this irritating habit.
我家有几个朋友就有这有令人恼火的习惯。