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air hole

英 [eə(r) həʊl]

美 [er hoʊl]

通气孔

机械

英英释义

noun

  • a hole that allows the passage of air
    1. a local region of low pressure or descending air that causes a plane to lose height suddenly
        Synonym:air pocketpocket

      双语例句

      • The results show that regulation of air hole diameter and the cladding air hole pitch size, change the media filling ratio, can effectively control the photonic crystal fibers.
        结果证明,调节空气孔直径和包层空气孔间距的大小,改变介质的填充比,可以有效地控制光子晶体光纤的色散。
      • Dispersion Properties of Photonic Crystal Fiber with Composite Square Air Hole Lattice
        复合四边形空气孔格点光子晶体光纤的色散特性分析
      • Air hole structure incorporating our airy effect.
        泡棉透气结构具有通爽作用。
      • Some materials and the surface of construction work suffer air hole easily.
        在质量通病防治过程中,有些材料和工程某些部位容易出现空鼓。
      • The measures to control the vapor purging time and flow rate of vapour, enlarge the oil-gas space and increase the number of air hole as well as venting area are given, which can effectively prevent the tank top from cracking.
        提出采取严格控制扫线作业时间和扫线蒸汽流量,增大油气空间的体积和增加罐顶通气孔数量和面积等措施,可有效地预防该类事故的发生。
      • It mainly include two types: the dielectric cylinder and air hole; Their filter characteristics are studied systematically.
        主要包括介质圆柱和空气圆孔两种类型,系统研究了它们的滤波特性。
      • Some technical research of EBW are carried out in allusion to the air hole of weld and descend of toughness in the welding of material of.
        针对工业纯钛在焊接过程中易形成气孔并发生塑性下降等问题,采用真空电子束焊进行焊接工艺研究。
      • The defects of welding of pure aluminum are air hole, un interfuse, occlude and holding wolframium, etc.
        纯铝在焊接过程中存在的主要缺陷是气孔、未熔合、夹杂及夹钨等。
      • Study on Aeration and Air Hole Place in a Low Water Head and Great Flow Rater Inverted Siphon System
        低水头大流量倒虹吸进口掺气及通气孔设置问题研究
      • Chang-le basalt has air hole and almond construct, so it has a good connectivity and rock cranny overgrown, that can be propitious to ground water movement and store.
        昌乐玄武岩具气孔及杏仁构造,连通性好,成岩裂隙发育,有利于地下水运动及赋存。