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
You should consider his proposal.
你该仔细考虑他的建议。
If you expect to enter the university,you should apply now.
如果你期望进入大学，你现在应该申请。
Not at all.
不客气。