air main

英 [eə(r) meɪn]

美 [er meɪn]

网络  主风道; 空气周路; 主空气管道; 空气周路,空气总管; 主空气管道,主风道; 主风管; 空气总管

机械

双语例句

• I traverse the earth, the air, the main.
  我横穿大地，大海和大气。
• The main air pollutions in the super-market's indoor air and the main factors influencing indoor air quality were analyzed.
  分析了超市室内主要的空气污染物和产生污染的主要原因；
• The invasion of cold air is the main reason of heavy rain in Shanghai.
  冷空气侵入时间与上海降水开始时间非常吻合。
• The mechanism of the produce of target noise, its transmission characteristics in air and several main factors that influence the sound transmission are analyzed.
  分析了低空目标声源的产生机理、目标辐射噪声在大气中的传播特性以及影响其传播的几个主要因素。
• It makes the research of cooling air and main stream mixing become to a key problem in the turbine design.
  这使冷气与主流的掺混研究成为涡轮研究设计中的一个关键问题。
• East Air Shaft Main Ventilator Online Monitoring Research and Application
  东风井主通风机在线监控研究与应用
• A kind of newly structure, performance stable with highly accuracy air static pressure main axle is developed.
  研制出一种结构新颖、性能稳定的高精度空气静压主轴。
• Precise Measurement of Air Quantity of Main Mine Fan by Total Pressure Tube and Static Pressure Sensor
  用全压管和静压感压器准确测定矿井主要通风机风量
• Mine, the causes of natural thermal potential difference in return air in main shaft and its influence on mine ventilation system and the control methods.
  阐述了造成主井回风的自然热位差产生原因和对通风系统的影响，以及治理办法。
• The compressed air is the main safe energy source for mass industrial production.
  压缩空气是大规模工业化生产的主要安全能源。