查询词典 clapper valve

It's equipped with asphalt overflow pipe, anti-liquid overflow breather valve, anti-aging overhead nitrogen charging valve, temperature inductor, thermometer, volumeter and fast discharge valve and coupling used to output asphalt.

配备沥青溢流管、防冒液呼吸阀、防老化顶置充氮阀、温度感应器、、温度计、容量计和输出沥青的快速卸料阀及接耦。

Results Mitral valve dilatation resulted in a decrease in left atrail diameter from (44±6)mm, a decline in transmitral valve pressure gradient from (18.2±6.8)mm?Hg to (7.2±3.8)mm?Hg, and an increase in mitral valve area from (1.04±0.21)cm2 to (1.98±0.55)cm2. 8 cases of severe restenesis developed.

结果 二尖瓣平均跨瓣压差由(18.2±6.8)mm Hg降至(7.2±3.8)mm Hg，瓣口面积由(1.04±0.21)cm2增至(1.98±0.55)cm2，左房内径由(44±8)mm降至(38±6)mm；8例出现明显再狭窄，其中5例再次PBMV术，3例行瓣膜置换术。

Keywords:right atrioventricular valve;commissural region;main valve;accessory valve;anatomy

关键词］右房室瓣；连合区；主瓣；副瓣；解剖学

Neutral medium, it should use copper alloy shell material for the valve solenoid valve, otherwise the valve shell desquamation often rust, especially the action does not frequent occasions.

中性介质，也宜选用铜合金为阀壳材料的电磁阀，否则，阀壳中常有锈屑脱落，尤其是动作不频繁的场合。

Dealing with whether to keep or to rcmove activity tooth tissue valve of upper one third of rout diastema can be divided into experiment group and control group. Experiment group: keeping activity tooth tissue valve and restore it as told above. Control group: extracting activity tooth tissue valve. And then treat it in a routine way as root-canal therapy, restoration with baked-porcelain crown and metal crown.

对牙根上1/3纵裂的活动牙组织瓣的去、留分实验组和对照组，实验组：保留活动牙组织瓣，按上述方法修复；对照组：拔除活动牙组织瓣，常规根管治疗，桩钉固位，烤瓷冠或金属冠修复。

Camshaftless valve actuation includes electromagnetic,electrohydraulic,electropneumatic and electromechanical types.it could vary valve timing agilely,simplify the engine's structure,deactivate some of the engine's cylinders selectively and vary the effective compression ratio flexibly to adapt different fuels.So it could offer more advantages than general variable valve timing.

阐述了在发动机上以电磁、电液、电气或其他方式驱动气门，实现无凸轮轴气门驱动，可以灵活改变气门正时，简化发动机结构，能有选择地闭缸，灵活改变发动机有效压缩比以适应多种燃料要求，使发动机获得比采用一般可变气门驱动更多的好处。

The main parameter is the safety valve displacement, the displacement determined by the caliber of the valve seat and valve opening height, height from the different open and divided into Enlight and two full-Kai style.

的主要参数是排量，这个排量决定于阀座的口径和阀瓣的开启高度，由开启高度不同，又分为微启式和全启式两种。

The main parameter is the safety valve displacement, the displacement determined by the caliber of the valve seat and valve opening height, height from the different open and divided into Enlight and two full-Kai style.

安全阀的主要参数是排量，这个排量决定于阀座的口径和阀瓣的开启高度，由开启高度不同，又分为微启式和全启式两种。

The hot water feedway concludes sub control, keyboard circuit, display circuit, control driven circuit, signal amplifier, shaping circuit, A/D translation circuit, current switch S, temperature sensor W1, temperature sensor W2, temperature sensor W3, water-level sensor H1, electric control valve Y1, electric tee control valve Y2, electric control valve Y3, pump M and heater band.

本发明涉及一种电水箱，特别涉及一种不浪费热水管中存留的冷水直接为用户提供热水的电水箱热水直供装置，它包括微控制器、键盘电路、显示电路、控制驱动电路、信号放大、整形电路、A/D转换电路、水流开关S、温度传感器W1、温度传感器W2、温度传感器W3、水位传感器H1、电控阀Y1、三通电控阀Y2、电控阀Y3、水泵M和加热带。

The study shows that through choosing the characteristics of the feedwater valve and throttle valve in the equipment, the shifting run of turbine pump, can realize the pressure drop of the feedwater valve invariableness, which can reduce the energy loss and improve the control characteristics of the feedwater system.

本文的研究表明，在核动力装置二回路给水系统中，通过选定节流阀和给水阀特性，由水泵变速运行可以实现给水阀两端的压差恒定，大大改善了给水系统的控制特性。

Warden: That's a beautiful dog, but don't bring her again.

那是条漂亮的狗，但是不要再把她带来了。

You get up in the morning – no hangover!

你第二天早上起来的时候—不会宿醉！