bèi yòng qì jiàn
- BU(backup unit)
- standby device
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biorheology,
biorhythm,
biorhythmicity,
biorhythms,
biorization,
biorthogonal,
biorthogonality,
BIOS,
biosafety,
biosatellite,
相似单词
备用定位,
备用金,
备用零件,
备用轮胎,
备用品,
备用器件,
备用设备,
备用石,
备用现金,
备用信用证,