In pressure vessels, C and D seam which are located at the joint of flange, tube-shape object, jointed tube, and head of pressure vessels separately are the most complex seams.
压力容器设备中法兰与筒体、法兰与接管连接处的C类焊缝和封头端部、筒体上马鞍形的D类焊缝是最为不规则的且施焊工艺最为复杂的焊缝。
We put a lot of pressure on them to be out there first, '' said Peder Holk Nielsen, head of Novozymes's enzymes unit. ``This is one of our must-win battles.
“我们给他们施加了不少的压力，鼓舞他们争夺第一”彼得·霍克·尼尔森---诺维信生物酶联盟的头头，如是说，“这是一场我们必须要赢的战役。”
The average head weighs 7 to 8 pounds—a lot of pressure to be putting on your face every night.
头部平均重量是7-8磅——趴着的话对脸部可是不小的压力。
Chen Xiyou, the head of A Long's former primary school, said that he faces a lot of pressure to allow the boy to attend classes.
陈西游 阿龙以前学校的校长说道 如果允许阿龙回学校读书他将面临很大的压力.
The purpose of a dam is twofold: to house the turbines that create the electricity and to provide a sufficient head of water pressure to drive them efficiently.
水坝的作用是两方面的：放置涡轮机来发电以及提供充足的水压来有效地驱动涡轮机。
The Fed's program should 'relieve a fair amount of the pressure on the commercial paper market, ' says Ajay Rajadhyaksha, head of fixed-income research at Barclays Capital.
巴克莱资本(Barclays Capital)固定收益研究部门负责人Ajay Rajadhyaksha说，Fed的这项计划应能“对商业票据市场缓解一定的压力”。
Greg Watson, head of OCR, one of three main exam boards, said the system of league tables and Ofsted inspections piled pressure on teachers to get results at all costs.
GregWatson是三大考试委员会之一——ocr的会长，他说，考试名次表的体系和教育标准署调查对老师们施加了压力，使老师们不惜任何代价去取得好结果。
To house the turbines that create the electricity and to provide a sufficient head of water pressure to drive them efficiently.
一方面用于放置发电的涡轮，一方面提供足够的落差以有效的驱动涡轮。
Application head component, constitute a natural pressure, is a set of massage is the main factor.
应用头部的分量，构成一股天然的压力，是整套按摩手法很主要的要素。
Now the pressure head of the pump is not able to make precise calculations in theory, the general use of experimental methods.
目前对泵的压头尚不能从理论上作出精确的计算，一般用实验方法测定。
The intramedullary pressure in trochanter major, femoral neck, center of head and load area of femoral head were measured respectively.
分股骨大粗隆、股骨颈、股骨头中心及股骨头负重区进行骨髓腔内压力测定。
Now the head of the private school where Mr Fan worked is under pressure to fire the teacher, and publicly questioned Mr Fan's wisdom in being so frank.
范美忠所在的私立学校的校长现在受到社会舆论压力要求辞退这位老师，校长也公开质疑范美忠如此坦率的言论是否是聪明的行为。
Head from America, the culture pressure of the West become the outside that this kind of resistance produces guide since.
而来自美国为首的西方的文化压力成为这种阻力产生的外部诱因。
This may be of concern in patients with intracranial lesions or after head injury in which increases in intracranial pressure may be hazardous.
在颅内病变或头部损伤后的患者中，这种颅内压的增高可能是比较危险的。
The active systems consist of several pumping systems of varying discharge pressure and flow rates, e. g., high head injection system, low head injection system.
能动系统由不同注入压力和流量的泵系统组成，如高压安注系统，低压安注系统。
Thus, by controlling the pressure wave form, the desired trajectory of the grinding head can be obtained.
因而控制压力的波形即可得到所需要的研磨头的运动轨迹。
Analyse choice method of collision point of cylinder and shovel head and confirm initial pressure and volume of nitrogen chamber.
分析了活塞杆与铲头碰撞点的选择方法和氮气室的初始压力和初始容积的确定方法。
The country became very clear and the feeling of pressure in my head seemed to loosen.
乡村景色历历在目，我头脑里压迫的感觉似乎松驰下来了。
Reciprocating pump flow and pressure head has nothing to do with the pump cylinder size, and the reciprocating frequency of the piston stroke.
往复泵的流量与压头无关，与泵缸尺寸、活塞冲程及往复次数有关。
Tom Fitton, the head of the Judicial Watch pressure group, said Obama's holiday habit proves that he is out of touch - and has to stop.
“司法观察”活动组织负责人汤姆·菲顿说，奥巴马的假期习惯证明他已经脱离人民了，必须予以制止。
Effects of mannitol bolus administration on intracranial pressure, cerebral extracellular metabolites, and tissue oxygenation in severely head-injured patients.
快速注射甘露醇对重型颅脑外伤患者颅内压、脑组织细胞外代谢产物和组织氧合作用的影响。
In the fabrication of pressure vessels for petrochemical equipments, the key to quality control of stamping of head is the calculation of head blank expanding size and the stamping of the head.
在石油化工设备压力容器制造中，对于整体冲压成形封头的质量控制关键是封头展开下料毛坯直径展开计算和冲压成形环节。
In the fabrication of petrochemical plant (pressure vessel), the keys to quality control of bumped head are the diameter calculation of head blanking and its forming.
在石油化工设备压力容器制造中，对于整体冲压成形封头的质量控制关键是封头展开下料毛坯直径展开计算和冲压成形环节。
The equations are solved by finite difference method and the mean and variance of pressure head are determined from its random expression.
通过摄动方法得到一系列关于水头展开式的偏微分方程，用有限差分法进行求解，获得了压力水头的随机描述，并计算其均值和方差。
The simulation and analysis of the pressure distribution in head runner of double plex tread extruder were made with ANSYS FEA software.
采用ANSYS有限元分析软件对胎面双复合挤出机头流道内部的压力场进行模拟和分析。
Practice proved that adding chemicals not only decreases the viscosity of crude but also the back pressure of well head decreased.
实践证明，掺污水加药既可以降低原油粘度，又可以有效地降低井口回压。
Several basic characteristics on pressure head distribution at the surface of spur dike are described.
论述了坝体周围动水压力分布的若干基本材性。
Several basic characteristics on pressure head distribution at the surface of spur dike are described.
论述了坝体周围动水压力分布的若干基本材性。
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