By fluviograph survey water level, after clear signal processing, inputs the control water level in PLC, then carries on the control by PLC to the water level control valve to adjust the water level.
Since cordite burns at a greater rate at a higher pressure a relief valve must be used to allow generated gas to escape to atmosphere at times when the demand is low.
Deep phlebothrombosis was found in 6 of the 10 cases who were performed color Doppler ultrasonography on the lower extremity while valve dysfunction was found in one case.
This paper introduces the principles of the vibroplatform,provides some methods for the detection and diagnosis of the servo valve,and makes the field monitoring of the synchronism of vibroplatform.
A strainer is recommended to be installed ahead of the backflow preventer to prevent the fouling of the check assembly and resulting spillage from the valve during repressurization.
A new type of automatic apocatharsis valve on settling centrifuge device was designed,so that the separation and automatic apocatharsis of the liquid and suspended substance were done continuously.
A dry, dehiscent fruit of the Cruciferae (Brassicaceae), typically less than twice as long as wide, with two valves separating from the persistent placentae and septum (replum).
All about him were the smell of steam and soot and fire, the noise, of box-cars, engines, boilers, the mysterious workings of pistons, valves, levers, gears.
It ends with the ileocecal valve, which prevents intestinal contents from going into the large intestine too quickly and the backward flow of material.
Others believe the symbol emerged in medieval times when scientists attempted to illustrate Aristotle's ancient writings on anatomy, where he described the human heart as having three valves with a dent in the middle.
The titanium case, the Ringlock system, the helium escape valve and a host of other state-of-the-art watchmaking breakthroughs make this watch the most pressure-resistant ever made.
Making our way down, between the fourth and fifth rib, next to the left lower border of the sternum, is where you can best hear the tricuspid valve closing.
剖与生理 
，NIB-SEAL在装运时处于未组装状态。
压缩
体
气释放一些压力，也就是储罐中积聚
轮神秘
释亚里士多德关于
