止回阀的基本型式有两种：旋启式（SWING TYPE）和升降式（LIFT TYPE） 4.1 旋启式止回阀之阀瓣成圆盘状，有一转轴可使其沿阀座密封面之轴线作摇摆运动以开启阀门。
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...征：·由坚固耐用的注模聚丙烯制成·适用温度-32℃至93℃·独有的顶杆式设计,可徒手脱除用途：·适于OS&Y及“升降式（rising stem）”门阀注意事项：·产品不含挂锁
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...gh Temperature Pressure Power Station Globe Valves 高温高压电站截止阀 Lift Check Valves 升降式 止回阀 Lift Check Valves 升降式止回阀 ..
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升降式止回阀 Lift Check Valves ; lift check vingve ; Aetv Lift Check Valve ; Lift check ale
升降式吊灯 [电] rise and fall pendant ; rise and fall luminaire
升降式装卸车 [机] lift truck
升降式铲运机 elevating scraper
升降式平台 self elevating platform ; SEP ; elevating platform
升降式刮土机 elevating scraper
升降式手推车 hand-lift truck
升降式浮顶罐 lifter roof tank
升降式潜望镜 elevator periscope ; periscope elevator
升降式刷盘结构，使工作更平稳，维护更简便。
Lifting type brush disc structure, make the operation more stable, easier to maintain.
但是运用升降式脚手架无法进行济南伸缩蓬的施工作业。
But lifting scaffolding can not be used for construction work of Ji 'nan telescopic awning.
本机为钢丝绳提升，导轨架附着固定安装，垂直升降式施工机械。
The machinery is lift by wire rope, the adhering of guiding track framework is installed fixedly, is the vertical ascending construction machinery.
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