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1)  delivery butterfly water valve
引水蝶阀
2)  turbine butterfly valve
水轮机蝶阀
1.
The operation calculation and structure parameter selection of turbine butterfly valve combined with its development were analyzed and summarized.
本文结合水轮机蝶阀的发展 ,对蝶阀的操作计算与结构参数选择进行了分析总
3)  large turbine butterfly valve
大型水轮机蝶阀
4)  butterfly valves
蝶阀
1.
A kind of slope slots and embeded plates hoisting expanding type valve sealing mechanism which is suitable for ball valves,butterfly valves and plug valves is introduced.
介绍了一种适用于球阀、蝶阀和旋塞阀的斜槽插板升降撑拢式阀门密封结构。
2.
It s suitable for ball valves,butterfly valves and plug valves and it has gained an invention patent (patent No:ZL00111674.
介绍了一种适用于球阀、蝶阀和旋塞阀的阀杆旋转角度启闭的撑拢式阀门密封结构。
5)  valve setting
阀蝶
6)  butterfly valve
蝶阀
1.
The design of the hydraulic accumulated fast closing butterfly valve
全液压蓄能快关蝶阀的设计
2.
The structure design and material selection for the butterfly valves applied in the seawater desalination system
海水淡化用蝶阀的结构设计及材料选用
3.
The design of high performance butterfly valve
高性能蝶阀密封结构的设计
补充资料:引水
【诗文】:
月峡瞿塘云作顶,乱石峥嵘俗无井。云安酤水奴仆悲,
鱼复移居心力省。白帝城西万竹蟠,接筒引水喉不干。
人生留滞生理难,斗水何直百忧宽。



【注释】:



【出处】:
全唐诗:卷221_12
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