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[机]瓣阀；片状阀
1、flap───n.拍打，拍打声；神经紧张；（飞机的）襟翼；风门，挡板；[医]皮瓣；vt.拍打；扔；拉下帽边；飘动；vi.拍动；神经紧张；鼓翼而飞；（帽边等）垂下
2、flip-flap───n.旋转器
3、flap-eared───adj.耳朵下垂的；大耳朵的
4、valve───vt.装阀于；以活门调节；n.(Valve)人名；(俄、芬)瓦尔韦；n.阀；[解剖]瓣膜；真空管；活门
5、flap defect───皮瓣缺损
6、gummed flap───胶状皮瓣
7、advancement flap───[医]前徙瓣
8、cephalad flap───头侧皮瓣
9、crescentic flap───新月瓣
1、Based on a systematic analysis of the movement of the flap valve, a mathematical model with constraint conditions and objective functions is established.───文中通过对拍门运动的XiTong分析，建立了带有约束条件和目标函数的数学模型。
2、Simple Method for Calculating Impulse Force by Flap Valve in Pumping Station───泵站拍门撞击力的简化计算方法及其应用
3、Optimization for Design Scheme of Steel Flap Valve in Outlet Water Gate of Large Scale Pumping Station in Lake Area───湖区大型电排站出水闸钢拍门设计方案优化
4、Swing Check Valve bodies are ordinary hinge, there is a door the same as the free flap valve against the valve seat sloping surface.───旋启式止回阀有一介铰链机构，还有一个像门一样的阀瓣自由地靠在倾斜的阀座表面上。
5、Lift check valve with a spring load can withstand light valve flap, flap valve lift is not high.───升降式止回阀使用一个可承受弹簧载荷的轻量阀瓣，阀瓣的升程不高。
6、Showed a straight cylinder valve flap, flap valve bottom bottom, with bottom discharge valve hole, the hole sealed nut.───阀瓣呈直圆筒形，阀瓣底部有个底孔，阀体下部设有排污孔，该孔安装有密封螺丝帽。
7、This valve is normally automatic work, in a direction of flow of fluid under pressure, open the flap valve;───通常这种阀门是自动工作的，在一个方向流动的流体压力作用下，阀瓣打开；
8、Swing had just returned to ordinary hinge, there is a door the same as the free flap valve leaning tilt the seat surface.───旋启式止回有一介铰链机构，还有一个像门一样的阀瓣自由地靠在倾斜的阀座表面上。
9、Flap valve is mainly installed in the end of drainage pipeline to prevent extra water flow backward.───拍门主要安装在排水管道的尾端，用于防止外水倒灌。
1、GDQ-J series high-vacuum flap valve is used for cutting off or connecting gas flow in the vacuum system.
2、Lift check valve with a spring load can withstand light valve flap , flap valve lift is not high.
3、GD-J series high-vacuum flap valve is used to cut off or connect air stream in vacuum system.
4、All kinds of resisting moment effects upon pump start-up process are fully considered and the different operational results of outlet gate with little flap valve are also reviewed.
5、GD - J series - vacuum flap valve is used to cut off or connect air stream in vacuum system.