水压

Dry-type valves use air pressure and water pressure acting on both sides of the flap valve torque difference control valve on the valve closed and open, generally can be divided into differential-type dry-type alarm valve and sealed dry-type alarm Flanged end gate valve valve two kinds of.

干式阀利用两侧气压和水压作用在阀瓣上的力矩差控制阀瓣的封闭和开启，一般可分为差动型干式报警阀和封闭型干式报警阀两种。

Dry-type valves use air pressure and water pressure acting on both sides of the flap valve torque difference control valve on the valve closed and open, generally can be divided into differential-type dry-type alarm valve and sealed dry-type alarm 800X Differential By-Pass Balancing Valve valve two kinds of.

干式阀利用两侧气压和水压作用在阀瓣上的力矩差控制阀瓣的封闭和开启，一般可分为差动型干式报警阀和封闭型干式报警阀两种。

The practice of deep well diameter extension and washing, blasting is introduced in this paper.

介绍深水井中的扩径与洗井爆破工艺，并就如何保证爆效、加工和密封装药容器及容器在高水压下是否发生屈曲失稳的验算等进行了叙述。

Regulators booster pump water supplement a major role in the leaking pipeline system so that the Fire Services Network automatically when water pressure dropped to work.

稳压泵主要起到补水增压的作用，在管道系统渗漏使消防管网水压下降时自动投入工作。

A unique sliding－chute－typed demoulding system was designed at the connection part of the inner chase and the middle chase.

在300MN水压机上生产盘类零件一般采用整体式上下模结构，模锻件的脱模也容易实现。

Processing can be water-proof coating, white-out, silvering, pearl, oil noodle calendering, cotton, crepe rolled, pleated crepe, breathable moisture-permeable membrane, composite, coated PVC, all kinds of styles oil wax texture texture coating, PU color rubber membrane, water-resistant laminated high-pressure PVC, perspiration moisture, anti-ultraviolet, mothproof, fire-retardant, excellent adhesive force,°, all kinds of printing, scratch scratch color dyeing, foam, hot, hot flower, Flocking and other deep-processing after the treatment.

后加工可防水涂层、涂白、涂银、珠光、油面轧光、轧花、轧绉、褶绉、透气透湿皮膜、复合、涂PVC、各种风格油质感蜡质感涂层、PU色胶皮膜、高耐水压膜、压PVC、吸湿排汗、防紫外线、防蛀、阻燃、优力胶、杜邦特富隆、各种印花、刮色刮染、发泡、烫金、烫花、植绒等后深加工处理。

The subsea tunnel was constructed with the complex geological condition of connotative fault, and the crush zone and safety excavation for the zone of unfavorable geology with high external water pressure are key for the safety control of subsea tunnel.

某海底隧道地质条件异常复杂，覆岩被多处断层破碎带相割呈区域性林状分布，高外水压处断层及破碎带施工是隧道安全控制的关键所在。

Owning 30 senior technical staff members,we have production equipments: such as automatic furnace,cold rolled machines,cold drown machines,etc;inspection equipments: such as thickness-ultrasonic detector, portable material grade-detector, omnipotent tester, ultrasonic gauge,eddy current gauge,spectromaxx, intergranular corrosion tester, metallographic tester and a hydraulic tester which guarantees the product quality effectively.

公司生产不锈钢管及管件，其采购的原材料基本上是宝钢集团、永兴特钢、上海等大中型钢厂供应，公司拥有中高级技术人员30人；生产设备有：电脑控制全自动辊底式固溶炉，冷轧机组、冷拔机组等生产设备，检验设备有：超声波测厚仪、便携式材质检测仪、万能试验机、超声波探伤机、涡流探伤机及德国斯派克分析仪器公司制造的直读光谱仪，晶间腐蚀装置，金相显微组织检测设备、水压试验机，有效保证产品质量。

In this paper,the effect of hydraulic fracturing on deep-lying hydraulic tunnels under high water pressure is studied on the principles of fracture mechanics.

然后研究压剪断裂的力学机理，分析有水压力作用的压剪断裂应力强度应力的计算及其断裂判据。

When a sudden power failure or accident or normal pump stops when the pump stops, the valve inlet water velocity to reduce stress Agency, the valve plate also fall, when its velocity is zero (that is, inlet flow rate is zero Department), large valve plate because of its own gravity and rapidly turn off (time 3s ~ 5s), the majority of water to prevent backflow, when the valve before and after the formation of a water pressure, water stress, on the one hand through the small valve at the bottom of the three slot for pressure relief vent pressure. 4 water stress from the bypass tube into the cavity patch up the control room (this process for the suction pressure chamber that can effectively absorb the energy of water), when water stress on cavity than inferior vena cava, the pressure of water promote the diaphragm down mobile , the current cavity pressure of water being squeezed out all the small valve plate slowly drop back to standby status, the process time to ease closure adjustable (3s ~ 150s), then the valve has been fully closed, watertight.

当突然停电或事故停泵或正常停泵时，阀门进水口处压力水流速降低，大阀板也随之下降，当其流速为零时，大阀板由于自身重力而迅速关闭（时间3s～5s），可防止大部分水倒流，此时阀门前后形成一种水压差，压力水一方面通过小阀板底部的三条泄压槽进行泄压。4）压力水从旁通管进入膜片控制室上腔（此过程为吸压腔，能有效吸收一部分水能量），当上腔压力水大于下腔时，压力水推动膜片往下移动，当下腔压力水全部被挤出来时，小阀板缓缓下降，恢复到待机状态，此过程中缓闭时间可调节（3s～150s），届时阀板已全部关闭，滴水不漏。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。