出水泵
effluent pump; discharge pump

长轴泵long shaft pump
立式长轴泵 Vertical long shaft pump

光谱检测
spectrum detection
spectrum test

semi-quantitative [,semi'kwɔntitətiv; ,semai-]
adj.【物理学】半定量的
quantitative /ˈkwɒntɪtətɪv/ CET6 TEM4
1.ADJ Quantitative means relating to different sizes or amounts of things. 数量的; 与数有关的
例：
...the advantages of quantitative and qualitative research.
…定量和定性研究的优点。

止水钢板
waterproof steel plate
steel plate for sealing water
stagnant /ˈstæɡnənt/ CET6+ TEM4
1.ADJ If something such as a business or society is stagnant, there is little activity or change. (经济、社会等) 停滞不前的表不满
例：
He is seeking advice on how to revive the stagnant economy.
他正在征求复苏萧条经济的建议。
2.ADJ Stagnant water is not flowing, and therefore often smells unpleasant and is dirty. (水) 不流动而腐浊的
例：
...a stagnant pond.
…一个死水塘。

untold /ʌnˈtəʊld/ TEM8
1.ADJ You can use untold to emphasize how bad or unpleasant something is. 不可名状的(用于强调事情的糟糕程度)强调
例：
Landmines have caused untold misery to thousands of innocent people.
地雷已给成千上万无辜的人带来了不可名状的苦难。
2.ADJ You can use untold to emphasize that an amount or quantity is very large, especially when you are not sure how large it is. 难以计数的强调
例：
...the nation's untold millions of anglers.
…该国数百万的钓鱼爱好者。

垫板
base plate
[建] underboarding