Preventive maintenance contract
[计] 预防性维护合同
🧩 词语组成解析
preventive
[pri'ventiv, pri:-]
n. 预防;防止;预防措施;预防药;
adj. 预防的;防止的;
🗣️ 情景例句
Something blue.
蓝色的东西。
John has built up his own business.He owns a hotel.
约翰建立了他自己的生意，他拥有一家宾馆。
Meanwhile, a number of university students have volunteered to drive buses while the strike lasts.
与此同时，有一部分大学生自愿在罢工期间驾驶公共汽车。