Downcomer backup
[化] 降液管液柱高度
🧩 词语组成解析
n. 下水管, 下导管
backup
['bækˌʌp]
n. 支持，后援;阻塞;<计>备份文件;[乐]伴奏;
adj. 备用的，后补的;支持性的;伴奏的;
🗣️ 情景例句
And I talked with Mr. Marchetta. Did York make the offer?
我也和Marchrtta先生谈了。York是否跟你谈那个工作机会？
I'm afraid you will be disappointed.
我怕你会失望。
In their efforts to persuade us to buy this or that product, advertisers have made a close study of human nature and have classified all our little weaknesses.
做广告的人在力图劝说我们买下这种产品或那种产品之前，已经仔细地研究了人的本性，并把人的弱点进行了分类。