1) point of lightning flash-over
雷闪接触点
1.
Enough air-gap distance,Between air-termination system and protection of buildings against lightning can prevent breakdown of that air-gap distance by lightning surge for point of lightning flash-over and weaken the influence of lightning electromagnetic impulse to insure the safety of buildings and its interior persons and equipments.
接闪器的雷闪接触点与防雷建筑之间保持足够的空气间隙距离,可以防止雷闪接触点的雷电位击穿该空气间隙,并减弱雷击电磁脉冲的影响,确保防雷建筑及其内部人员、设备的安全。
2) contact
[英]['kɔntækt] [美]['kɑntækt]
接触，触点
3) contact for flash unit
闪光灯触点
4) a point of contact = a contact point
接触点,触点
5) spark contact welding
闪光接触焊
1.
Based on new technical standards and construction characteristics,an automatic flow production line for long rail welding is set up at the track base of the passenger transport line,and the key technologies are summarized for long rail spark contact welding.
根据新技术标准和施工工艺特点,在客运专线铺轨基地建造了全自动的长钢轨焊接流水生产线,总结出了长钢轨闪光接触焊的施工关键技术。
6) positive contact
正接触[触点]
补充资料：雷闪
1.雷声和闪电。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条