14. Electric or hydraulic flapper valve (also known as mirror valve) is the upper respiratory tract iron blast furnace coal facilities off one of the important network.
电动或液动插板阀(又称镜子阀)是炼铁鼓风炉煤上呼吸道网的重要切断设施之一。
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15. According to structural characteristics of a flapper valve, flapper valves, butterfly valves, ball valves, diaphragm valves, Angle valves, through the valve, three-way valve.
根据结构特点有挡板阀、插板阀、蝶阀、球阀、隔膜阀、角阀、直通阀、三通阀。
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16. Take an empty two-liter soda bottle, wash it out, fill it with water, screw the lid on tightly and set it into your toilet tank, as far away from the flapper valve as possible.
拿一个两升的空汽水瓶，洗干净，装满水，旋紧盖子，放进马桶的水箱里，离舌形阀越远越好。
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17. GDQ pneumatic high vacuum flapper valve USES solenoid directional valve to change the direction of air passage, controls the actuating cylinder to drive the valve opened closed.
GD Q气动高真空挡板阀是通过电磁换向阀改变气路方向，控制执行气缸驱动阀门作启闭运动。
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18. Both the simulation and experimental results indicate that the dual flapper-nozzle servo valve has good flow-current characteristics and strong ability to control small flow rate.
理论分析和实验结果表明：双喷嘴挡板电液伺服阀具有良好的流量-电流比例特性和小负载流量的控制能力。
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19. CF pneumatic high vacuum flapper valve USES solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the valve opened and closed.
CF高真空挡板阀系列是通过电磁换向阀改变气路方向，控制执行气缸驱动阀门作启闭运动。
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20. GDQ pneumatic high vacuum flapper valve USES solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the valve opened and closed.
真空挡板阀是通过电磁换向阀改变气路方向，控制执行气缸驱动阀门作启闭运动。
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21. GDQ pneumatic high vacuum flapper valve USES solenoid directional valve to change the direction of air passage, and controls the actuating cylinder to drive the valve opened and closed.
GD Q型气动高真空挡板阀是通过电磁换向阀改变气路方向，控制执行气缸驱动阀门作启闭运动。
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22. Check toilets for silent leaks by putting a few drops of food coloring in the tank; if the color shows up in the bowl indicating a leak, fixing it may be as simple as replacing the toilet's flapper.
23. Check toilets for silent leaks by putting a few drops of food coloring in the tank; if the color shows up in the bowl indicating a leak, fixing it may be as simple as replacing the toilet's flapper.
