查询词典 pressure head

Valve with is it regulate valve suit,flow of function to have.can be suitable for the occasion needing to control flow while being built-in,can also slow down the pressure head of the fluid.

阀腔内装以具有调节流量功能的阀套，可以适用于需要控制流量的场合，亦可以减缓流体的压力头。

The Dall flow tube is an empirical design with an extremely high pressure head recovery.

Dall流量管是具有特别高的压头补偿的实验装置。

The primary contents are as follows:(1) Based on the fundamental seepage physical equation, the basic differential equation of saturated-unsaturated seepage in porous mediums has been deduced, in which the pressure head is the fundamental unknown quantity.

总体说来，本文主要从以下几个方面开展了研究：(1)由基本渗流物理方程出发，以压力水头为基本未知量推导多孔介质三维饱和—非饱和渗流微分方程，在此基础上分析了边坡在有降雨入渗条件下渗流的定解条件和计算模型。

It is suggested to apply the principle of effective gravity and equivalent pressure head to calculate the rotational speed and ingate area in the processing of grinding ball by centrifugal casting.

在离心铸球工艺中，可应用有效重度和等效压头原理计算转速和内浇口断面积。

Also known as the centrifugal pump lift pump pressure head, the weight of fluid monomer is received by the pump energy.

离心泵的扬程又称为泵的压头，是指单体重量流体经泵所获得的能量。

Besides hemal sex migraine, cause the cause that have a headache a lot of, if abscess of all sorts of sexual disease, encephalitis, meningitis, head is affected inside skull; All sorts of cerebral blood-vessel pathological changes, if cerebral block, cerebral hemorrhage, arachnoid haemorrhage finishing speech, ventricle bleeds, Hypertensive Cerebral disease; A pathological change is taken inside skull, if colloid tumour mixes meningeal tumour, head,transfer tumor; All sorts of heads are traumatic if defeat of cerebral concussion, head cracks injury, putamen,issue haematoma; The waist is worn cause low skull pressure head painful; All sorts of neuralgic; The headache of disease of facial features division and infection, toxic, heatstroke and nerve function all can be caused mussily have a headache.

除了血管性偏头痛外，引起头痛的原因很多，如颅内感染性疾病、各种脑炎、脑膜炎、脑脓肿；各种脑血管病变，如脑梗塞、脑出血、蛛网膜下腔出血、脑室出血、高血压脑病等；颅内占位病变，如脑膜瘤、脑胶质瘤和转移肿瘤；各种脑外伤如脑震荡、脑挫裂伤、硬膜下血肿；腰穿引起低颅压头痛；各种神经痛；五官科疾病的头痛以及感染、中毒、中暑和神经功能紊乱均可引起头痛。

CRT as a booster pump and transfer pump sea water treatment and other abrasive liquids, reliable performance, and in the industry with the most extensive product line, flow up to 2200 l / h, pressure head of up to 250 meters ( specially designed high-pressure pump up to 450 meters).

CRT泵在作为增压泵和传送泵处理海水和其它磨蚀性液体时，性能可靠，而且在该行业中具有最广的产品系列，流量最高可达2200 l/h，压头最高为250米（特制的高压泵可达450米）。

Curtain coat can be pressure head, flow head or roller curtain coater.

淋涂可能配压力嘴，淋涂滚。

In the model, the total heat transfer coefficient, evaporation temperature and pressure loss of evaporator are measured, the pressure head of fan is from instruction book, the physical property parameters of shelves and insulated layers are assigned by themselves, the air of display case is still simulated by traditional K-ε model.

其中，蒸发器的总换热系数、蒸发温度和压力损失按实测处理；风机的压头按样本确定；搁架和保温层的物性参数按实际数值赋值；拒内空气部分仍按传统的K-ε模型模拟。

It may even bring the growing political pressure for reform to a head.

这里的to a head为什么这样翻译？

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。