forward delay valve 前置延迟阀
forward control valve 正向控制阀
forward modulating valve 正向调节阀
forward outflow valve 前排气活门
forward modulating valve solenoid 正向调节阀电磁线圈
forward relief valve test port 前进档安全阀测试口
forward flow divider valve 前进油流分配阀
FDV Forward Delay Valve 前置延迟阀
This paper introduces hydraulic vibration-exciting system for marble moulding machine, and pats forward rational selection method of vibration. parameter for the system controlled by rotary valve.
本文介绍了应用于再造大理石成型机的液压激振系统，并提出了应用转间控制的系统其振动参数的合理选择方法。
The pressure control system consists of an aft outflow valve, forward outflow valve, pressure controller, control panel, pressure sensing inputs, and monitoring indicators.
压力控制系统包括一个外流阀、前外流阀、压力控制器、控制面板、压力传感器和监视器。
Forward needle valve positions for easy access.
针形阀位置提前，便于接近。
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