... fast transformation || 快速变换 fast valve || 快动作阀门 fast zoom mode || 快速缩放模式 快速缩放模式 ...
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fast valve control 汽门快速控制
electromagnetic fast valve 电磁快关阀
excitation and fast valve 励磁和快关汽门
straight-through fast acting valve 直通快动阀
fast-acting valve 快速作用阀
fast switching valve 高速开关阀
Fast active sampling valve 快速取样阀
fast acting solenoid valve 快动作电磁阀
20 meters per second requires a big and fast valve.
每秒20米，需要一个大的，快速的阀。
For the safety of gas transmission in long distance pipeline, the method regarding how to get the proper value of pressure drop rate for the fast block valve on pipeline is studied.
根据输气管道安全的需要，对干线快速截断阀压降速率设定值的确定方法进行了研究。
The allowable shut-off time of fast shut-off valve is calculated by inferred formula and selection way of fast shut-off valve in the gas supply system of gas burning boiler is summarised.
通过推导公式计算快速切断阀的允许切断时间，并总结燃气锅炉供气系统中快速切断阀的选择方法。
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