The directional control line of valves are available in a wide range of port sizes and Cv flow capacity.
该生产线的方向控制阀，可在流量范围广泛的港口规模和简历。
This paper explained the work theory and the process of design about the parallel coupled line directional coupler.
阐述了平行耦合线定向耦合器的工作原理和设计过程。
Experimental results show that three-phase PWM converters are advantageous in high power factor, small input-line current harmonic distortion and bi-directional power flow.
实验表明，作为双馈感应发电机转子励磁电源的三相pwm变换器具有功率因数高、网侧电流谐波小、能量双向流等优点。
The zero sequence directional relay is an important relay component for transmission line.
零序功率方向继电器是线路保护中的一个重要元件。
This digitalized optical fiber transmission system is upstream line of the bi-directional optical fiber transmission system.
数字化光纤传输系统，为有线制导光纤传输系统的一个部分；
Directional unit is the kernel unit of the traveling waves or transients based ultra-high-speed directional protection for transmission line.
方向元件是基于行波或暂态量的超高速方向保护的核心元件。
Based on the method of six sequence fault component, this paper analyses the performance of zero sequence directional relay on double circuit line on the same pole (DLSP).
文中用六序分量法分析了同杆双回线上零序功率方向继电器的性能。
This paper introduces the study on omni - directional vision system calibration method using central catadioptric projection property of space line.
利用空间直线的中心折反射投影的特性对全维视觉系统的标定方法进行了研究。
This paper studies the negative sequence directional protection (NSDP) as the primary protection of series compensated UHV transmission line.
文中对带串补的特高压线路采用负序方向高频保护作为主保护方式进行了研究。
The reception of the brand overseas was almost an immediate acceptance as buyers complimented the line as being unique, directional, stylish, well made and easy to wear and sell on the floor.
该品牌在海外很快就被接受，因为消费者认为这系列产品很独特、有方向性、时髦、做工好、易于穿 着且好卖。
The wire-line directional drilling and coring technology can take cores and drill directionally without using down-hole motors.
绳索取心技术因其钻进效率高而广泛应用，但其无法实施定向作业。
Considering that the Instantaneous Field of View (IFOV) of infrared seeker is small, a line-by-line directional spiral scan was proposed.
针对红外导引头瞬时视场较小的缺点，提出了分行螺旋式定向扫描技术。
The vertical dashed line is the critical value of intensity below which Guyodo and Valet (1999) consider several directional excursions to have occurred.
垂直虚线是低于这个强度和代客居约多(1999)考虑几个方向游览已发生的临界值。
The edge of all-directional M-mode echocardiography images is the combination of the cross points of the sample line and the boundary between the blood and the heart by the time.
全方向M型心动图的边界是采样线血液与腔室壁组织结构形成的分界线与采样线交点位置变化的按时间展开。
UAV target drone, which is designed to fly along a straight-line target path by directional flight control, appeared serious flight leeway phenomena in flight test.
某型无人驾驶靶机是通过定向飞行控制来实现其靶廊飞行的，但在飞行试验时却出现了比较严重的靶廊飞行偏航现象。
The performance of negative sequence directional element widely used in conventional transmission line protection may be affected when it is used in the double transmission lines on the same tower.
由于同杆双回线自身的特殊性，使得在常规线路保护中有着广泛应用的负序方向元件的性能受到影响。
High power radial line helical array antenna is a new antenna which realizes the directional radiation of high-power microwave.
从理论、模拟和实验等角度详细研究了高功率径向线螺旋阵列天线。
The influencing regular pattern of depths of deflection point, line slope and casing dimension on horizontal force of directional wellhead is analyzed by case calculation.
通过算例，分析了造斜点井深、造斜率以及套管尺寸对井口水平力的影响规律。
The influencing regular pattern of depths of deflection point, line slope and casing dimension on horizontal force of directional wellhead is analyzed by case calculation.
通过算例，分析了造斜点井深、造斜率以及套管尺寸对井口水平力的影响规律。
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