There seems to be a poor contact.
这里好像有点接触不良。Before or tin plating nickel plating of bad contacts between the cathode, discharge sparks will melt into hollow copper hole.
镀镍前或锡电镀间的阴极接触不良，放电火花将铜材熔成凹洞。the damp of joint and the poor contact caused by improper installation of joint accelerate the main insulation breakdown.
接头的安装工艺不当引起接头受潮和接触不良，加速了主绝缘击穿的进程。Dust accumulations between batteries and battery terminals may result in imperfect contacts, and may even prevent the unit from operating.
电池与电池端之间如有尘埃附着，会导致接触不良，甚至会使本机无法工作。nano-imprint lithography drum skin abrasion or drop, causing the paper punches-drum so that the poor contact dot untrue.
压印滚筒磨损或掉皮，造成压印滚筒与纸张接触不良，使得网点不实。The change button between relative motion and true motion in the panel does not touch firmly.
面板上的真运动与相对运动转换按钮接触不良。For opening, the connection is bad, fuse links, lack of, should determine the cause and time to repair.
如有断路、接触不良、保险丝熔断、缺相，应查明原因并及时进行修复。Check whether the cathode poor contact, timely adjust.
检查阴极是否接触不良，适时调整。Poor electrical connection may cause fire or damage to appliances.
接触不良可能会引发火灾或电器损害。