查询词典 back pressure

Some are swept back by radiation pressure from sunlight to create straight dust streaks.

一些是被来自阳光的压力扫回去，造成了直接的尘埃状光线条纹。

Some are swept back by radiation pressure from sunlight to create straight dust streaks.

其中的一些碎片受阳光的辐射压力作用形成与周围星尘不同的直条状。

In the early 1970s by the then Beijing business card printing and membership card making Technology Research Institute (for Chinese business card printing and membership card making science and Technology Research Institute), shnagqiu printing machinery factory and Yibin printing machine common development and production of the first generation bookbinder--PRD-1-product line of binding, it can be machined with 16 and 32-64-open single, twin with the maoba book, complete with page, milling back, dehairing, a letter to the core gum floorings、decorative gauze cardboard, plastic, pressure on the cover are formed, you can not book thermalsteam riprapped waste, production speed 3600 ~ 6a this/, while the line with the international advanced bookbinder quite, but to fill our binding line blank, about changes in China's extremely backward collers bookbiding dhlopen has played a very important role.

20世纪70年代初由当时的北京制卡和会员卡制作技术研究所(后改为中国制卡和会员卡制作科学技术研究所)、商丘印机厂、宜宾印机厂共同开发生产了第一代胶订机--PRD-1型无线胶订生产线，它可以加工16开、32开单联、64开双联毛本书，全线完成配页、铣背、打毛、上书芯胶、贴纱布卡纸、上封面胶、加压成型等工序，可以不停机抛废书，生产速度3600～6500本/时，虽然该线与当时国际上先进的胶订机差距甚大，但填补了我国无线胶订生产线的空白，对改变我国书刊装订极其落后的面貌起到了很大的作用。

Note: The decompression valve role in continuing to do, there will be a part of the oil (about 1 L / min) flow back into the tank through the vent port lost the oil pump part of the output flow, so in a system, such as the use of several cut pressure valve, you must take into account the loss of pump output flow problems.

注意： 减压阀在持续做减压作用时，会有一部分油（约1 L/min）经泄油口流回油箱而损失泵的一部分输出流量，故在一系统中，如使用数个减压阀，则必须考虑到泵输出流量的损失问题。

There are products that car, light truck and its transmission box, back, shell clutch, clutch forklift shell, shell differential, engine support, excavators transmission box, box reducer, Shell, the oil pressure and a variety of chassis - Sprocket drive, pulley, with annual capacity of 5,000 tons of casting, production and processing all kinds of casting and parts of the opposite sex.

产品有轿车、轻卡变速箱及其箱体、后盖、离合器壳、叉车离合器壳、差速器壳、发动机支架、挖掘机变速器箱体、减速器箱体、壳、油压机箱体及各种传动链轮、皮带轮，拥有年5000吨的铸造能力，可生产并加工各种铸件及异形件。

Double entry sealing ring is used to reduce the water leakage from pump pressure chamber back to the suction chamber.

双吸密封环用以减少水泵压力室的水漏回吸水室。

At this point suction chamber maximum volume Vs, is also sealed between the two rotors are not discharged from some of the pressure in the exhaust gas state, its volume of Vc, this part of the expansion of gas will be brought back after two into the suction chamber.

此时吸气腔的容积最大为 Vs ，在两个转子之间还封存了部分未被排出的处于排气压力状态的气体，其容积为 Vc ，这部分气体经过两次膨胀后将被带回到吸气腔中。

Nut Series: Hex flange nuts, rivet nuts, rivet stud pressure (through-hole and hole barrier), up rivet nut, nylon nut, with sets of teeth, K nut, square nuts, butterfly nuts, cap-type nut, bolts, Mei-type shrapnel, Groove nut, welding nut, thin nuts, conical teeth outside the mother, Nut, the plastic nut, valve nut, pipe joints, back caps, sleeves and other metal products.

螺母系列：六角法兰螺母、铆螺母、压铆螺柱、涨铆螺母、尼龙螺母、内套牙、K螺母、方螺母、蝶型螺母、盖型螺母、螺栓、梅型弹片、槽型螺母、焊接螺母、薄型螺母、内外牙锥母、防松螺母、塑胶螺母、阀螺母、管接头、倒帽、套筒等五金产品。

Figure 6 The structure of normal working hours when the water pump, water pressure to automatically open the tongue plate, when a sudden stop, the tongue plate back in the self and the role of water close.

其结构见图6当水泵正常工作时，水压力使舌板自动开启，当突然停车时，舌板在自重与水倒流的作用下关闭。

With the pressure increasing ,the upper plate would spring back to its original place

随着压力的增强，上面的板快反弹回来原来的位置。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。