1·Strict prohibition , in execution place, of smoking, flames, heat, welding or electrical spark.
施工单位在施工过程中严禁吸烟、明火、高温、焊接或电火 花。
2·Totally Driven by compressed air, no electric power, no fire or explosion risk caused by electrical spark.
完全采用压缩空气为动力，不用电，无任何电火花引起的安全隐患。
3·Totally Driven by compressed air, no electric power, totally no fire or explosion risk caused by electrical spark.
完全采用压缩空气为动力，不用电，无任何电火花引起的安全隐患。
4·In this paper a fluidics device of continuous-path numerical control system for electrical spark machine tool is presented.
文章介绍了用于电火花线切割机床连续轨迹式数字程序控制的射流装置。
5·This article introduces the design and realization of the control system for electrical spark linear incising machine tool.
本文介绍了电火花线切割机床的微机控制系统的设计与实现；
6·The techniques for repair are studied after crack arrest in metal dies using electromagnetic heating, such as electrical spark melt joining, reinforced build-up welding and brush electroplating.
研究了各种实际金属模具中裂纹电磁热止裂后的修复技术，如电火花放电熔焊搭桥、强化堆焊、刷镀等；
7·Before the electrical current puts into operation in a spark plug, the two points of contact have to be gapped.
在电流通入火花塞中使它运转之前，两个接触点之间需要有空隙。
8·This spark is provided by a high-voltage electrical surge jumping across the gap of the spark plug that is ideally positioned in the combustion chamber.
火花是由一个高电压的电涌跳过火花塞间隙而产生的，火花塞是恰当地安装在燃烧室中的。
9·Do not connect electrical equipment to a power source less than 30 meters away, unless the power source has spark-proof connectors.
除非电源接头是防火花的，否则不要再30米距离内，为电器设备通电。
10·A discharge of built up electrical charge, often forming a spark to a point of lower charge or earth.
充电电荷的放电现象，经常在电荷较低的部位或接地处形成火花。