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The dual-piston valve comprises a valve housing having a pair of piston operation spaces defined therein and a pair of pistons disposed in the piston operation spaces of the valve housing such that the pistons can be vertically moved to open or close inner and outer outlet ports formed at a cylinder.

该双活塞阀包括：阀壳，其中限定有一对活塞运行空间；以及一对活塞，其设置在阀壳的活塞运行空间中，以使活塞能垂直移动以打开或关闭在气缸处形成的内出口和外出口。

The main cooling system of the wind driven generator provided by the invention comprises a hydraulic pressure station heat exchanger, an electric generator heat exchanger, a gearbox heat exchanger, a gearbox temperature controlling valve, a generator temperature controlling valve, a main cooler and a cooling pump, wherein, the dimensional length of the cooling plate of the main cooler is 1 to 2 percent larger than the length of the original cooling plate, the thickness is 2 to 3 percent larger than that of the original cooling plate, and the width is not changed.

本发明的风力发电机主冷却系统，包括液压站热交换器、发电机热交换器、齿轮箱热交换器、齿轮箱温控阀、发电机温控阀、主冷却器和冷却泵，其中，所述主冷却器的散热板尺寸长度比原来散热板的长度大1％-2％，厚度比原来散热板的厚度大2％-3％，宽度不变。

A vacuum system for a supercharger engine is provided, which comprises an engine intake manifold and a vacuum booster connected with a first vacuum tube.

一种增压发动机真空系统，主要包括发动机进气歧管通过第一真空管连接真空助力器，其特征在于：所述发动机进气歧管与真空助力器之间管路上设有产生真空度的装置。

A known scraper chain conveyor comprises a pulling chain guide in which the hollowed sectional part for guiding the drive chain is made of angle sheets which are screwed to the associated side wall of the conveyor trough.

一个已知的刮板链式输送机组成，牵引链指南，其中被掏空的部分断面为指导传动链是由角板是拧向美联社侧墙输送带谷底。

The tourism zone has been invested in 200 million RMB already, which comprises two zones, the Rainforest Valley and the Fantasy Valley. Both are inter-connected by American electric trolley, cliff road, waterfall rope bridge and high-class shuttle bus, covering a total length of 18km.

目前对外开放的&呀诺达雨林&已投资2亿元人民币，建成雨林谷和梦幻谷两个景观区域，以美国电瓶车、生态栈道、飞瀑索道、高品质旅游巴士环绕成18公里长的园区通道。

The invention discloses a method and device for acquiring environment data collecting in honeycomb traveling carriage localizing system and GPS, A-GPS, the collecting device comprises collecting unit with time lag distribution power which connects with honeycomb traveling carriage receiver and GPS receiver, power time lag distribution pretreating unit, environment data extraction unit and managing unit; the method includes: determining the type of input data, gathered power time lag distribution, power time lag distribution pretreating, environment data extracting and synthesizing.

本发明公开了一种适用于蜂窝移动台定位系统和GPS、A-GPS系统的获取环境数据的装置和方法，该环境数据采集装置包括与蜂窝移动台接收机和GPS接收机相连的功率时延分布采集单元、功率时延分布预处理单元、环境数据提取单元和管理单元；本发明所述环境数据采集方法包括确定输入数据的种类、采集功率时延分布、功率时延分布预处理、环境数据提取和环境数据综合。

For the purposes of a transportation engineer interested in developing a molecular model of traffic flow in which the human in the vehicle or an individual human-vehicle comprises a unit of analysis, some important performance characteristics can be identified to aid in the formulation, even if a comprehensive transfer function for the driver has not yet been formulated.

为了一 对发展感兴趣的运输工程师一分子的交通流量的模型在交通工具的人或一个别的人-交通工具包含一个单位的分析，一些重要的表现特性可能被识别援助在形成，即使一个包罗万象的移动功能为那驾驶者仍未被制定。

The invention provides a touch input method and a portable terminating set. The touch input method which is applicable to the portable terminating set comprises the following steps that: a touch instruction is received; the touch instruction is calculated in a range to get a press area; a cursor is generated according to the touch instruction; the cursor is arranged selectively in a preset range on the periphery of the press area according to the current position of the press area.

本发明是有关于一种触控输入方法及可携式终端装置，该触控输入方法是应用于一可携式终端装置，包括接收一触碰指令；对触碰指令作一范围演算，并得到一按压区；根据触碰指令产生一游标；以及根据按压区的一目前位置选择性地将游标配置于按压区外围的一预设范围内。

The method comprises: adding 4-(3,4-dichlorophenyl)-1-tetralone and solvent at a ratio of 1:(3-4) into a three-necked flask with a stirrer, heating under stirring until 4-(3,4-dichlorophenyl)-1-tetralone is completely dissolved, heating to 60-100 deg.C, refluxing for 0.5-2 h, cooling the filtrate to -5-10 deg.C, filtering, recrystallizing to obtain refined 4-(3,4-dichlorophenyl)-1-tetralone, and drying at 40-80 deg.C to obtain dry 4-(3,4-dichlorophenyl)-1-tetralone.

该方法的步骤是：在带搅拌的三颈瓶中依次加入4-(3，4-二氯苯基)-1-萘满酮和溶剂，溶剂与4-(3，4-二氯苯基)-1-萘满酮的L∶W为3～4∶1，将上述4-(3，4-二氯苯基)-1-萘满酮及混合精制溶剂搅拌下升温，使4-(3，4-二氯苯基)-1-萘满酮全部溶解，升温至60～100℃，回流0.5-2h；滤液用冰水冷却至-5～10℃，过滤，所得物料再用上述方法进行一次重结晶得到精品4-(3，4-二氯苯基)-1-萘满酮，40～80℃干燥后即得到干品4-(3，4-二氯苯基)-1-萘满酮。

The invention relates to a desk type drill machine for preventing drill head wreckage, comprises chassis, supporting post, operating board covered in middle of supporting post, cabinet and generator; cabinet is equipped with tension pulley pressure sensor, belt tension unit and pressure foil gage; tension pulley is compacted on driving belt of drill machine, pressure foil gage is installed on top bar of tension pulley, the pressure foil gage is in electric connection with input end of controlling circuit, output controlling end of controlling circuit is connected to power input end of generator.

本发明是防止钻头折断的台式钻床，包括底座、支柱、套在支柱中部的工作台、以及机箱和电机，机箱上设有张紧轮压力传感器，由皮带张紧装置和压力应变片组成，其中的张紧轮紧压在钻床的传动皮带上，压力应变片设在张紧轮的顶杆中，压力应变片与控制电路的输入端电连接，控制电路的输出控制端连接在电机的电源输入端中。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。