难检字字典在线查询

汉语拼音：biàn gōng

老解放区和20世纪50年代初期曾经施行过的农业劳动互助的简单形式，是农民相互调剂劳动力的方法，有人工换人工、牛工换牛工、人工换牛工等。

1. 中国 农村旧有的一种劳动互助形式。一般是由两户或几户农民进行换工互助，调剂劳力或畜力。有人工换人工、畜工换畜工、人工换畜工等方式。

   《中国歌谣资料·变工》：“你出畜，我出人，大家来变工。” 刘白羽 《红玛瑙》：“ 刘建章 叫我搞变工，我说没农具，他答应合作社帮添农具。”参见“ 变工队 ”。

• Transient condition of pumps have influence on flow in system.

  泵组瞬变工况对全系统流动都会产生影响.

• It is very important and meaningful to study steam turbine's varying conditions.

  汽轮机的变工况研究,对于确定机组变工况后的安全性与经济性具有重要意义.

• This paper mainly discusses the off - design traits for the last stage of condensed steam turbine.

  讨论了变工况下凝汽式汽轮机末级的变工况特点,如反动度的变化规律,余速损失,级前压力的变化特性.

• The invention discloses a probe - converging method for large - scale variable condition real - time process simulation.

  本发明公开了一种用于大规模变工况 实时 流程模拟的收敛探针方法.

• This paper analyses the changing states of heating units and comes up with the character function.

  在机组变工况分析的基础上,给出了供热机组的特性方程.

• A severe phenomenon of false water level exists in boiler drum under varying operating conditions.

  锅炉汽包在变工况运行时往往产生严重的“虚假水位”现象.

• Performance is measured dynamic pressure in working cell is measured by properly locating the transducer.

  测试了变工况下的热力性能,通过选择合理的测试点,测试了在压缩、混合过程中工作腔内的压力变化.

• It is proposed that working conditions rotary vane compressors with reasonable discharge valve have better performance.

  排气阀结构本文认为合理配置排气阀结构的旋叶式压缩机具有较好的变工况能力.

• Varying working condition of deep well water source heat pump are obtained by experiment simulation.

  通过实验模拟了深井水源热泵制热变工况运行.

• Using the 135 MW unit of NanDing Power Station as object, an off - design model is built.

  本文以某135MW火电机组热力系统为研究对象, 建立了变工况数学模型.