flap valve是什么意思？

• 抛弃英文
• sweater
• 来源英语
• 方案英语
• neck
• crayon
• 队长的英文
• explore
• 参数英文
• banger
• repeat
• cheese
• committing
• general
• various
• 缺陷英文
• general
• fiercely
• organizations
• chess翻译
• giraffe
• emergency
• polite
• 参与者英文
• supper
• satisfaction
• brat
• 纪念品英语
• maths
• predict

• intermission
• lake
• silver
• monitor
• fake
• prompt
• begins
• failure
• droplets
• juice
• autumn
• disappointed
• cloud
• saturday
• volume
• vehicle
• tourist
• narrow
• approaches
• peeping
• permitted
• giraffe
• 导师英文
• 解决方案英文
• 流浪者英文
• 局外人英文
• erased
• tomato
• BARRIE
• PEGGING

• slass
• Kvevri
• jamproof
• neutralisation
• eccoprotic
• surreys
• cotton and silk
• meet with defeat
• codgers
• neohalarsine
• untangled
• rhymer
• unowned
• lungyi
• marginal geosyncline
• plate cooler
• lammergeir
• poong
• Tear it up
• Small shortcomings
• Actinidia sinensis
• requisition order
• quadrilateral
• surge billows