For foot valve, replace inlet end connection with an F. V. screen housing assembly.

对于底阀，用一个F.V。滤网外壳组件更换进口连接管接头。

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This will tend to preserve the internal valve, avoiding disruption of the dorsal aesthetic lines, and inverted V deformity, and airway compromise.

这样做可以保持内鼻阀，避免鼻背美学曲线的中断，预防倒V畸形出现和气道完整性破坏。

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Excellent regulation characteristics: V-type valve has a similar inherent equal percentage flow characteristic and adjustable up to 300:1 ratio.

具有出色的调节特性：V型阀具有一个近似等百分比的固有流量特性及高达300：1的可调比。

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Known for its four-stroke 90-degree V-twin engines and its unique valve design, Ducati has carved out an impressive racing record, highlighted by its 2007 Grand Prix World Championship win.

WSJ: At the Heart of Ducati

Honda also makes a 24-valve 3.5-liter V-6.

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Silverado and Sierra will accomplish its new mileage pinnacle with a 5.3L EcoTec3 V-8 relying on direct injection, cylinder deactivation and variable-valve timing to achieve EPA estimates of 16 mpg in the city and 23 mpg on the highway with two-wheel drive, or 16 in the city and 22 on the highway with four-wheel drive.

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