air hole
英 [eə(r) həʊl]
美 [er hoʊl]
通气孔
英英释义
noun
- a hole that allows the passage of air
- a local region of low pressure or descending air that causes a plane to lose height suddenly
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。 - Dependence of Image Resolution on the Air Hole Shape for 2D Photonic Crystal Slab Lens
二维光子晶体的空气孔形状对负折射平板透镜成像分辨率的影响 - It is not necessary to set air hole at the inverted siphon tube mouth and also no need to have the top of the tube entrance lower than the water level of the minimum for the tube.
倒虹吸管进口不需要设置通气孔，也没必要使倒虹吸进口顶缘低于倒虹吸管通过最小流量时进水口前的水位。 - 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。 - One important result is that the non-intentional birefringence depends on the mean air hole diameter, and a increase of the size of the fiber structure the birefringence.
结果表明，由孔径分布不规则所产生的双折射的大小主要取决于空气孔直径的平均值。 - The defect of air hole is ubiquitous when welding the aluminium or aluminium alloy with MIG. This paper affords the prevention measures from the aspects as fieldwork, especially paies attention to experience.
铝及铝合金MIG焊接时气孔缺陷的发生极其普遍，文章从现场的各方面给出了工艺预防措施，尤其注重了现场的经验性。 - 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。 - 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。 - 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。 - According to air pressure inside rotary cavity flow, cavity diameter of rotary cavity flow and ventilation volume of air hole, basic flow pattern of this type of tunnel can be classified as submerged, absorbing and free flow patterns.
这种泄水道的流态可根据空腔环流内的气体压强、空腔直径和通气孔的通气量的变化规律分为淹没流流态、吸允流流态和自由流流态；