查询词典 protective device

ZL03 2 354312.The innovations include: automatic self-closing and reliably sealed valve structure: the design of duplex valve clack with pilot valve to tackle the problem of reverse seal structured valve being difficult to be opened; an automatic drain control device to automatically drain the remaining water from the hydrant; protective plate provided between the hydrant body and the valve block to serve as a connection between the hydrant body and the valve block, which is the first one to be damaged when the ground hydrant is clashed, and prevent pulling-off of the whole above-ground part of the fire hydrant, so as to properly protect the main parts from any damage. The self-closing and reliably sealed valve now prevents drain of water, and only the damaged protective plate is needed to be replaced before immediate re-operation. Thus the repair work after clashing is very easy and simple.

其创新点为：具有能自动关闭并可靠密封的阀门结构：采用有先导阀复式结构阀瓣设计，解决反向密封结构阀门开启沉重费力的难题；设计自控排水装置，能自动排除栓体内余水；在栓体和阀体之间设计撞裂板，它既起到连接栓体和阀体的中介作用，又可在地上消火栓被撞击时率先破裂毁坏，并使露出地面的栓体不见整体脱落，有效保护各主体部件的完好无损，而此时阀门的自闭式结构可靠密封阀门阻止水源外泄，修复时只需更换损坏的撞裂板即可立即复位投入使用，使被撞后的修复工作变得十分轻松简便。

3 Operation of an overcurrent protective other than the branch circuit overcurrent protective device is acceptable ."

"38.7.3 过电流保护装置而不是支路的过电流保护装置的动作是可以接受的。"

Our products are: flexible organ-type shield, stainless steel guard rails, telescopic leadscrew guard, shutter shield, protective skirt curtains, dust folded cloth, steel towline, engineering plastics towline, machine work lamp, machine tools Sizing Block, JR-2 type rectangle metal hoses, DGT protective catheter kits, adjustable plastic cooling, vacuum tubes, ventilation tubes, explosion-proof tube journey trough plate collision block, Pai crumbs machine, deflection device, operating platform and a variety of pieces.

我们的产品有：柔性风琴式防护罩、钢板不锈钢导轨护罩、伸缩式丝杠护罩、卷帘防护罩、防护裙帘、防尘折布、钢制拖链、工程塑料拖链、机床工作灯、机床垫铁、JR—2型矩形金属软管、DGT导管防护套、可调塑料冷却管、吸尘管、通风管、防爆管、行程槽板、撞块、排屑机、偏摆仪、平台及各种操作件。

And then, the prominent problems about uncorrect action of protective relays for disturbance are discussed. Furthermore, the immunity of different ports in protective device has been thoroughly studied in this desertion.

首先探讨了骚扰源的形成、特征及其传播到二次回路的途径，然后从骚扰源着手对变电站骚扰引起保护不正确动作的几个突出问题进行了研究；从敏感设备入手对保护的各个端口的抗扰度进行了研究。

A new cylinder type forage cutter with high operation was designed and manufactured. Construction design and its performance parameters, helical angle of moving knife, setting height of fixed knife, overload protective device, throwing device and edge shape of fixed knife were analyzed. The results of test were as follows: optimal helical angle of moving knife was 20°, optimal setting height of the center of the cylinder above fixed knife was 20 mm, line speed of blower vane was 13.6m/s ,power consump...

通过对 93ZT - 5 0 0型滚筒式铡草机的设计研究，分析了滑切角、定刀配置高度、定刀刃角对铡草机性能的影响，并对机构设计进行了探讨，试验结果为：动刀的螺旋角为 2 0°；滚筒中心高于定刀 2 0mm ；抛送风机叶片线速度 13.6m/s ；开刃定刀比矩形定刀的功率消耗低 17.5 %；安全防护装置采用牙嵌式安全离合器；研究结果对滚筒式铡草机的设计和应用具有一定的参考价值

According to the customer's requirement we can supply complete equipments with coupling,clutch,gear box,electric and air control device and multi functional alarm protective device.

根据用户需要，可配供各种联轴节、齿轮箱、电、气动遥控及多功能报警保护装置等成套设备。

Use it whenever you need: when you are listening to music and your device is laying in your pocket, when some software is running on your device and you need to go without aborting the process, when you need to clean the screen without turning your device off or when you just need to take a deep breath.

使用它时，您需要：当你听音乐和你的设备是埋设在口袋里，当一些软件上运行的设备，你需要去没有堕胎的过程，当你需要清洁的画面而不把您的设备关闭或当你只需要深呼吸。

It provides steady lifting with low noise, and is equipped with lifting brackets, anti-fall supporting protection, stopping protection against wire fracture, limiting device for maximum load, control device for maximum lifting height and fixing device for the turning angle of the bracket arm.

升降平稳、噪音低，并设有举升托架、防跌落支承保险、钢索断裂制动保险；最大负荷限定装置和托臂回转角度锁定装置。

If one is not found, the destination is an unknown network device in a known cluster, and the device must choose which network device to use to relay the message to the cluster by some set of arbitration rules.

如果没找到一个人，目的地是在已知的群的一个未知的网络设备，并且使用的网络设备传递消息到群由某一套仲裁统治的设备必须选择。

The Staff Engineer of Device Processing reports to the Director of Device Technology.The suitable candidate shall be proficient in electronic compound semiconductor device design and process,as well as electrical test techniques.

能讯微电子总部设在西安高新区，是中国首批化合物半导体电子器件商业化制造企业，其产品广泛应用于电力电源、无线微波通信、汽车电力驱动等领域。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48