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。
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。
In the selection of imported valves, if the medium containing fibers, containing impurities, containing particles should be used in the V-belt cut off valve.
在选用进口调节阀时，如果介质为含纤维、含杂质、含颗粒时，应选用V型带切断的调节阀。
V-type electric control valve for regulating the pressure medium in pipelines and flow.
电动V型调节阀用于调节管路中介质的压力及流量。
V-port trim has a more linear throttling curve than plug or ball discs, but none of these trims are recommended for continuous severe throttling which may require using a control valve.
形端口阀内件截止阀比塞形阀瓣或球形阀瓣截止阀具有更加线性的节流曲线，但是，所有这些类型的截止阀都不建议连续用于严格的节流应用中，这种情况可能需要采用控制阀。
V-ball valve repair without a long, long life, to provide you with the real state of efficiency of a process control valve.
型球阀长期不需修理，使用寿命长，为您提供了真正的高效率进行控制工艺状况的一种阀门。
V-valve dual-bearing structure, mechanical stability, high starting torque is small, to ensure the valve sensor with excellent sensitivity and speed.
型阀采用双轴承结构，机械稳定性高，启动扭矩小，保证了阀门具有极好的灵敏度和感应速度。
The pneumatic valve V-compact, compact and lightweight, easy to install, easy to maintain.
气动V型球阀结构紧凑，小巧轻盈，安装方便，维护简便。
Use of smaller valves or V-Port trim with lower flow capacity may permit the valve to be open at a greater percentage, thus avoiding damage.
采用具有更小流量的通径更小的截止阀或V形阀内件截止阀，可能使得阀门能够具有更大的开启度，因此可以避免损坏。
V-ball valve is the first valve design of the regulator, after a very long time usage, the manufacture technology is already matured.
形球阀作为最早设计出的调节性阀门，经过了很长时间的使用，制造的技术已经成熟。
Turn on back wash drainage valve (V-4) and air scour valve (V-2). Air scour lasts for a moment.
将反洗排水阀(V - 4)，空气洗净阀(V - 2)置于[开]，进行空气清洗并持续一段时间。
On-off valve shall be pneumatic ball valve, and the leakage class is V or VI. All the valve accessories such as limit switches, solenoid valves and filter regulators shall be supplied with the valves.
切断阀采用气动球阀，泄漏等级为V或VI级，限位开关、电磁阀、空气过滤减压阀等应随阀成套供货。
V-ball valve is the first valve design of the regulator, after a very long time usage, the manufacture technology is already matured.
V形球阀作为最早设计出的调节性阀门，经过了很长时间的使用，制造的技术已经成熟。
Pneumatic V-ball valve is a right angle turn structure of the advanced control valve with positioner supporting the use of proportional control can be achieved;
进口气动V型球阀是一种直角回转结构的高级控制阀，它与阀门定位器配套使用，可实现比例调节；
To enhance the anti-wearing ability of exhaust valve seat for a new engine, a Nb-Cr-Mo-V cast iron value seat has been developed in the First Automobile Works.
为提高新型汽车发动机排气门座的耐磨性，第一汽车制造厂研制了铌铬钼钒铸铁排气门座。
The output end of the V-I converting and current amplifying circuit drives a ratio servo valve and controls the actions of a clutch.
与所述信号累加单元的输出端电连接的V-I变换及电流放大电路；
The output end of the V-I converting and current amplifying circuit drives a ratio servo valve and controls the actions of a clutch.
与所述信号累加单元的输出端电连接的V-I变换及电流放大电路；
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