battery backup board的意思|示意

电池后备板 ... batten system 同位穿孔检验系统 battery backup board 电池后备板 battery pack 电池包装 ...

备用电池组 ... battery 电池 battery backup board 备用电池组 battery cable 电池线 ...

电池备用板 ... 备用电池室 Buckup Battery Compartment 应急灯和备用电池 Flashlights and spare batteries 电池备用板 battery backup board ...

电池后备电源板 ... 重要设备电源 essential power 电池后备电源板 battery backup board 主备电源转换装置 switching device for main and standby power sources ...