proportioning device是什么意思？

• 呼吁英语
• 流浪者英文
• various
• 解决方案英文
• autumn
• algiers
• giraffe
• reveal
• 旋律的英文
• sweater
• panicked
• crayon
• satisfaction
• repeat
• bombarded
• supper
• disappointed
• tourist
• narrow
• default
• mind
• 来源英语
• BARRIE
• theatre
• giraffe
• searches
• maths
• cloud
• lesson
• fake

• general
• 参数英文
• chess翻译
• toxicity
• permitted
• 抛弃英文
• banger
• predict
• 确认英文
• 导师英文
• organizations
• lycopene
• 方案英语
• aspect
• client
• vehicle
• cheese
• amazing
• profile
• monitor
• lake
• brat
• candy
• ultra
• modernize
• 权限英文
• dragon
• searches
• failure
• erased

• chaussure
• clepe
• camping ground
• refresher
• the subway
• to huff
• caught inside
• mistiness
• with both feet
• prognosticated
• echoe
• character of person
• spines scare
• scare off
• dream about
• hardwork
• bongrace
• evil deed
• wingers
• slag muck
• oxidation process
• Holiday period