网络释义专业释义
调节器可以分为两部分，跟水肺气瓶结合的一级头(First Stage)，以及具有咬嘴(Mouthpiece)的二级头(Second Stage)，两者依次序减低气瓶内的高压空气。
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first stage annealing 第一段退火 ; 第一阶段退火 ; 熬头段退火 ; 初次发生位错
first stage of labor 第一产程 ; 第一期
first stage oxidation treatment 一级氧化处理
First stage impeller retaining ring 第一级叶轮挡圈
first stage flexible plug 第一级软胶塞
first-stage perforation pack 第一步炮眼充填
first stage hydrocyclone 一级水利漩流器 ; 一级水力旋转器
双语例句原声例句权威例句
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What's the first stage of a negation according to the man?
根据那个人的说法，否定的第一阶段是什么？
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We did the first stage of the trip by train.
旅行的第一段我们乘的是火车。
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The first stage in research is data collection.
研究工作的第一步是收集资料。
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The only passenger on that first stage to travel all the way through to San Francisco was a newspaper reporter named Waterman Ormsby.
VOA: special.2010.04.26
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Now what's interesting is in societies where marriages are arranged this is often the first stage of a love relationship.
有趣的是,在婚姻包办的社会里,这初始阶段的爱情。
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So, for Piaget, the first stage is the sensorimotor stage or the sensorimotor period.
皮亚杰认为,第一个阶段,是感知运动阶段,或者说,感知运动期
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