two-stage的用法和樣例：
例句
- He was my senior at Yale by two years.
他是耶魯大學(xué)比我高兩級的學(xué)生。 - There are two steps up onto the bus.
上公共汽車(chē)有兩級踏板。 - The project took place during the teacher's in-school probationary teaching period, and had two stages.
研究共分二階段進(jìn)行。 - In some cases, a two-stage severe hydrotreater using Ni-Mo and precious metal catalysts in the first and the second stage respectively can be used.
有時(shí)更得采用二階段制程，前后段分別使用鎳鉬和貴金屬觸媒。
詞匯搭配
- two-stage combustion 兩級燃燒
- two-stage extractor 兩級萃取器
- two-stage agitation 兩段攪拌
- two stage sampling 兩階段抽樣法,二次抽...
- two stage 兩級的(二階段...
- two stage regulator 兩級調節器
- two-stage regulator 雙級調節器
- two-stage compressor 兩級壓縮機,二級壓氣...
- two-stage ejector 兩級噴射器
- two-stage lift 兩級提升器
- two stage pump 二級泵
- two-stage supercharger 二級增壓器
- two-stage pump 雙級泵
- two stage crusher 兩級破碎機
- two-stage polymerization 兩步聚合
- two-stage sampling 兩級抽樣,二重抽樣,...
- two-stage operation 二期手術(shù)
