查询词典 selection handle

Gas valve body material selection Pressure gas pipeline under the reasonable use of the valve housing material selection, not only palace to meet the safe operation of pipeline and is able to reduce the cost and make the best use for the purpose.

三、燃气阀门的阀体材质选用根据燃气管线的使用压力合理选用阀门壳体材质，既宫满足管线的安全运行又能达到减少造价，物尽其用的目的。

Finally, based on the principle of the selection of express highway, the scheme of the selection of express highway of the Qinyu landslide is optimized and proposed the scheme of right bank tunnel is the best from the engineering and geological perspective.

综合上述研究成果，结合公路选线原侧，从工程地质角度上，对秦峪滑坡群段公路选线方案进行优化，建议右岸隧道方案为最优方案。

Selection of calculation errors, Double Door Check Valves, Air Cushion causing the system to open stop-open, and some can not even put into use, so for users and system designers should be aware of the importance of valves in the field, control valve selection must be taken seriously enough.

由于计算选型的失误，造成系统开开停停，有的甚至无法投用，所以对于用户及系统设计人员应该认识阀在现场的重要性，必须对调节阀的选型引起足够的重视。

Selection of calculation errors, Double Door Check Valves, Air Cushion causing the system to open stop-open, and some can not even put into use, so for users and system designers should be aware of the importance of valves in the field, control valve selection must be taken seriously enough.

由于计算选型的失误，造成系统开开停停，有的甚至无法投用，所以对于用户及系统设计人员应该认识阀在现场的重要，必须对调节阀的选型引起足够的重视。

The investigation shows that experience selection is the most of methods which have been adopted, testing guideline of selection is unstable, and they do not have evaluation standard, skimble-scamble even index system is not perfect.

本研究认为：初级选材的理论、体操项目特点为初级选材指标理论依据，因项目特点而形成的对运动员身心的特殊要求是确定初级选材指标体系的直接依据。

We put forward a new viewpoint that the purity of seed selection keeps the balance with the DNA polymorphism demand. The research aim at oak silkworm seed selection was to determine how to keep the balance between improving cultivar purity and keeping the genetic diversity within cultivar.

对品种选育的纯度与DNA多态性需求的平衡进行了讨论，并分析了对柞蚕品种选育的启示，提出了柞蚕品种选育的下一步的研究目标：寻找提高品种纯度与保持品种内的遗传多样性的平衡点。

The goal of this article is to find out the most suitable threshold value selection, then induce relative conclusion to the optimal threshold selection from simulation.

本文的主要目的是在对最适合门槛值的选取进行研究，并从模拟研究中归纳得到对於最适合门槛值选取的重要相关结论。

This paper studies mainly the apple selection technology,and presents the structure of the apple selection system .

主要对苹果分拣技术进行了研究，并给出了苹果分拣系统的结构。

Apple selection technology was studied,and the structure of the apple selection system was presented.

主要对苹果分拣技术进行了比较深入的研究，给出了苹果分拣系统的结构。

The purpose of Course Selection System is to manage the course selection information on computer.

设计本系统的目的是对选课信息进行管理。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。