Net positive suction head(npsh)
[化] 气蚀余量; 净正吸高差
🧩 词语组成解析
net
[net]
n. 网;网状织物;球网;网罩;
vt. 用网捕;捕获;净赚;踢入球门;
adj. 净的;净得的;最后的;
positive
['pɑzətɪv]
adj. 积极的;确实的，肯定的;[数]正的;[医]阳性的;
n. 正面;正片;[语]原级形容词;[数]正量;
posit肯定+ive形容词后缀 → 肯定的；积极的
suction
[['sʌkʃən]]
n. 吸, 吸入, 吸上, 吸引, 吸力\\n[化] 吸气; 吸入
🗣️ 情景例句
Well, I'm glad.
好， 我很高兴。
The greatest talkers are always the least doers.
言语的巨人往往是行动的侏儒。
At the time of his death, one person praised him as follows: Future generations, it may be, will hardly believe that such a person as this walked upon this earth.
未来的几代人有可能难以相信，在这个世间曾经有这样的一个人行走过。"