step-up transformer是什么意思？

• erased
• client
• firmness
• 参数英文
• dragon
• lesson
• approaches
• silver
• 确认英文
• PAXLOVID怎么读
• lycopene
• mind
• ultra
• theatre
• reveal
• 领域英语
• default
• toxicity
• 方案英语
• cheese
• 参与者英文
• permitted
• various
• disappointed
• bombarded
• supper
• PEGGING
• 呼吁英语
• banger
• maths

• sweater
• aspect
• neck
• 旋律的英文
• polite
• 抛弃英文
• passage
• organizations
• saturday
• general
• lake
• BARRIE
• brat
• passage
• 纪念品英语
• monitor
• panicked
• volume
• vehicle
• front
• 局外人英文
• conflict
• droplets
• candy
• algiers
• pear
• general
• satisfaction
• prompt
• 分配英文

• Young men
• Wicked man
• Shelike
• by report
• Battley
• suberyl
• seleno
• perfused
• helenii
• gold foil
• Jing
• great event
• ultrahigh frequency
• water leaf
• strongmen
• sportswomen
• water vapour
• half of the day
• annoy sb
• waysides
• be granted a favour
• oscillator
• moisture content
• deacidizing