当推送尤里·加加林进入轨道的预定时刻来临之际，他只是简单地按下一个按钮闭合点火电路并看着发动机启动。
When the appointed time came to blast Yuri Gagarin into orbit, he simply pushed a button that completed the ignition circuit and watched the motors start.
有报道称洗手间的天花板及墙壁受损，现场发现的电池和导线表明这很有可能是定时点火装置。
Reports say there was damage to the ceiling and walls of a public bathroom and bateries and wirings found the scene suggested they could be unexploded device.
为远距离安全点火，用自动定时开关7或无线遥控开关8串联在点火电路中。
In order for remote safely ignition, an automatic time switch 7 or a radio remote control switch 8 is connected in series in an ignition circuit;
在管道长径比一定时，瓦斯爆炸火焰传播速度与点火能量呈二次函数关系。
When the pipeline length and diameter ratio was certain, the flame travel speed of gas explosion and ignition energy would be in a quadratic function relationship.
在管道长径比一定时，瓦斯爆炸火焰传播速度与点火能量呈二次函数关系。
When the pipeline length and diameter ratio was certain, the flame travel speed of gas explosion and ignition energy would be in a quadratic function relationship.
应用推荐