19世纪初美国邮政使用了气动管精密系统，但伦敦使用了完全不同的方式，建立了这个小规模的铁路系统，只能用于包裹运输使用。
The USPS used an elaborate system ofpneumatic tubes during the early 19th century, but London took anentirely different approach and built this scaled-down railroad systemto be used only for parcels.
作为1号阀的替代品，美国红阀公司A型夹管阀和无故障气动系统700，也就是左图中的3号阀，极大地改善了流体介质的流动性。
As a replacement of valve number 1 with Red valve's Type a and pneumatic fail-safe system 700, valve number 3 has accomplished an improvement in the fluid dynamics of the system.
本文介绍了能满足以上要求的新型双直线气动鹤管的工作原理和试验应用。
This paper makes an introduction of the operating principle and trial application of the new pneumatic loading arms that can meet the need mentioned above.
然后对影响气动肌肉橡胶管强度与可靠性的因素进行定性分析。
Then, the factors affecting the strength and reliability of the rubber tube were analyzed qualitatively.
以A型夹管阀为基础改进而来，这种锚链管道阀门坚固耐用，使用寿命长，并配置内置气动执行器的气动夹管阀。
Modeled after the original Type A pinch valve, the valve is a rugged, long-lasting, air-operated pinch valve with a built-in actuator.
本文对可移式气动压管机工作机构进行了运动学和动力学分析。
This article analyses kinematics and dynamics of working mechanism in removable pneumatic pipe extruding machine.
型卧式气动点焊机是为焊接文氏管而设计的专用设备，主要用于文氏管或类似工件的焊接。
DN horizontal pneumatic spot welder is the special equipment designed for welding venturi and is mainly used for butt joint of such work pieces as venturi.
应用排气动力效应通过改善扩散管结构，可使整机性能显著提高。
Use of exhaust dynamic efficiency and improvement of the diffusion pipe structure are conductive to lifting the engine performance.
我公司是一家专业生产各种汽车、摩托车减震器轴、前叉管、气动活塞杆和电机轴等五金件的公司。
Our company is a professional manufacturer of various kinds of automobile, motorcycle vibration damper axis, before fork tube, pneumatic piston rod, and motor shaft of hardware and so on.
概述：本设备主要由罐体、喷淋管、气动出渣门等部件组成。
Summarize: This equipment mainly is consist of tank, spraying pipe, air operated drawen etc.
穿孔过程中自身不回转的非开挖气动锤包括冲击矛、夯管锤和爆管锤。
The trenchless pneumatic hammers which don t rotate themselves during drilling include impact moles, pipe ramming hammers and pipe bursting hammers.
目前工厂生产的主导产品有：波纹管密封截止阀、自由浮球疏水阀、先导式减压阀、气动调节阀、自作用式温控阀、汽水分离器等。
The chief products include: Bellows seal globe valve, Free-float steam trap, Pilot pressure reducing valve, Pneumatic control valve, Self-acting temperature-sensing valve, Cyclone separator etc.
本厂专业生产卡套式、扩口式、焊接式等液压气动管接头及扣压式胶管总成。
The factory specializing in the production of sets of cards-and-mouth expansion, such as welding-type hydraulic and pneumatic fittings withhold-hose assembly.
内外波瓣间距相同的二元波瓣主喷管与相应的二元混合管的组合方案具有最好的综合气动性能和红外辐射的抑制性能。
Among the experimental model combinations, the combination of 2-d lobed nozzle with equal lobe width and 2-d mixing tube has the best aerodynamic and infrared radiation suppression performance.
并配有万能工具显微镜与三管气动测量仪、瑞士进口红宝石比较仪、洛式硬度计等先进检测设备。
And with a microscope and Universal three pneumatic measuring instrument, Switzerland imports Ruby comparator, Luo-hardness, and other advanced detection equipment.
醇基燃烧喷嘴含有所述气动剪切刀、管式固定座、通气孔、气液疏导管、固定帽和气液切割座。
The alcohol group burning nozzle comprises the pneumatic cutting knife, a tubular fixing seat, an air vent, a gas and liquid conduit, a fixing cap and a gas and liquid cutting seat.
一种气动的焊接式耐高温波纹管闸阀，涉及一种气动的闸阀。
The invention relates to a pneumatic gate valve for welding type high-temperature resistant bellows, in particular to a pneumatic gate valve.
气动刀闸阀气动阀门价格表气动管夹阀气动角座阀闸阀的作用是利用阀瓣沿通路中心的垂直线方向移动来实现开启或关闭管道通路。
Valve is the role of central valve along the pathway of vertical lines move to achieve open or closed pipeline access road.
气动刀闸阀气动阀门价格表气动管夹阀气动角座阀闸阀的作用是利用阀瓣沿通路中心的垂直线方向移动来实现开启或关闭管道通路。
Valve is the role of central valve along the pathway of vertical lines move to achieve open or closed pipeline access road.
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