To Clean: Inspect or replace worn valve disc, disconnect control pipe and unscrew bonnet from valve body using blunt tool and hammer on bonnet lugs.
清洗：检查或更换磨损的阀瓣，断开控制管道的连接，采用钝工具和锤子敲击阀帽上的接片，然后旋松阀帽螺纹。
Description and analysis on the Phenomenon, damage and Reason of the water Hammer for the Liquid Chemical Terminal, Submit the control and elimination measures.
对水锤现象的危害、原因进行了描述和分析。根据液体化工库产生水锤的特点，提出了控制和消除水锤的措施。
Foil no effort to fight some tough not skilled person to play the gold and less broken even, soft, and technical control is not good to go on a hammer may come to naught.
打箔没有一番过硬功夫不行，技术精湛者打出的金箔破碎少且均匀、柔软，而技术掌握不好一锤下去就可能前功尽弃。
The valve use medium pressure of its own, control and turn off with a delay function to eliminate or alleviate the water hammer.
利用介质自身的压力，控制并具有延时关闭功能，从而消除或缓解水锤的智能型止回阀。
Fixing attention on the active controlling causes of water hammer, for the long_distance water supply system, the optimal control of transient multiple valves regulation is put forward.
着眼于水锤发生源的主动控制，对于长距离输水系统的水锤现象提出了瞬态多阀调节最优控制理论。
A control method of compensation for the top hammer displacement error caused by pressure loss and combining the single neuron PID is proposed in this paper.
提出一种加入补偿因压力损失导致顶锤位移产生的误差，并结合单神经元pid的控制方法。
The research results provide theoretic guide for field application of air tank to water hammer control.
研究结果对现场使用空气罐来控制水击提供了理论指导。
The new rear set-up is especially impressive and the excellent body control enables the Impreza to really hammer home the traction advantage of its four-wheel drive chassis.
新的后方设置尤其令人印象深刻，出色的车身控制使豹真正锤首页牵引利用其四轮驱动底盘。
To CLEAN: Inspect or replace worn valve disc, disconnect control pipe and unscrew bonnet from valve body using blunt tool and hammer on bonnet lugs.
清洗：检查或更换磨损的阀门阀瓣，断开控制管线，采用钝工具和锤打阀盖凸耳从阀体上旋下阀盖。
It can be used in pipe installation buffer type check valve or pump motor use frequency converter and method of soft starter control to reduce the water hammer effect.
可以采用管道安装缓冲式逆止阀或者水泵电机使用变频器及软启动器控制的方法来减少水锤效应。
The optimal mathematical model, hi which the control aim is to make the peek value of water hammer smallest, is set up for the application in hydraulic and hydropower engineering.
作为水利水电工程中的应用，以水击压力峰值最小作为控制目标，建立了优化数学模型。
A sensitivity predictive controller with memory recurrent network for use in the comprehensive control of the water hammer and the frequency is proposed.
提出一种对水轮发电机组水压频率进行综合调节的记忆递归网络灵敏度预测控制器。
The frequency converter for oil transfer pump and multistage control for electrohydraulic valve are used to prevent water hammer in oil pipe, and improve the efficiency and safety in oil transmission.
输油泵采用变频器进行调控并结合电液阀的多段控制，避免输油管路产生水击，提高了输油作业的工作效率和安全性。
Elements of stonework excavation: Use down-hole drill assisted with hammer drill drilling. Control blasting loosely and side slope molding smoothing wall blasting.
石方开挖施工要点：采用潜孔钻机配以凿岩机钻眼，松动控制爆破和边坡成型光面爆破。
Elements of stonework excavation: Use down-hole drill assisted with hammer drill drilling. Control blasting loosely and side slope molding smoothing wall blasting.
石方开挖施工要点：采用潜孔钻机配以凿岩机钻眼，松动控制爆破和边坡成型光面爆破。
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