1) valve caliber
阀门口径
1.
The choice of regulating valve caliber in automatic control system of HVAC system is very important,it can influence regulatory characteristic of automatic control system directly,thereby it will influence energy saving and efficiency of equipment operate of the HVAC system.
文章以南京禄口机场物流中心空调自控系统为例,介绍如何选择空调自控系统中阀门口径。
3) throttle hole diameter
阀口直径
1.
The paper analyzes the key parameters of throttle for gas-hydraulic buffer and obtains the law of effect of throttle hole diameter,valve core s length and spring s pre-tightening force on performance of buffer based on its digital simulation model.
在建立液气缓冲器数字仿真模型基础上,进行了节流阀主要参数的性能分析,得到阀口直径、阀芯长度、弹簧预紧力对缓冲器特性的影响规律。
5) valve gate
阀门浇口
6) Heavy Caliber Ball Valve
大口径球阀
1.
Design of Heavy Caliber Ball Valves and Their 3-D Numerical Simulation;
大口径球阀的阀体设计和三维数值模拟
补充资料：次大口径成品油管道(见大口径原油管道)
次大口径成品油管道(见大口径原油管道)
small big inch products pipeline
次大口径成品油管道比m“，。彬duet、pipeline)见大。径原油管道。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条