• One of effective measures to weaken short-out flow is to set up an eccentric gas exhaust duct.

    指出设置偏心内筒减小短路有效措施之一

    youdao

  • Then, a micro exhaust duct was etched on an electroforming deposit through mask etching technology.

    然后利用掩膜腐蚀方法在层上腐蚀排气通道。

    youdao

  • In this paper the design and performance of expanding silencing exhaust duct for the test bed of automotive engines are discussed.

    本文论述了车用发动机试验台排气系统中的三节扩张式消声坑设计试验结果。

    youdao

  • The utility model relates to an exhaust duct that prevents head wind, especially to a movable air discharging door type one-way air exhaust device.

    实用新型涉及逆风排风管特别是涉及活动排风门单向 排风装置。

    youdao

  • The small eddies created near the exhaust duct cause high frequency noise but downstream of the exhaust jet the larger eddies create low frequency noise.

    排气附近产生涡流引起高频噪声但是,在排气流后部的涡流产生低频噪声。

    youdao

  • The sound radiated from the exit was linked with the sound source characteristic of diesel engine, and the sound field in the exhaust duct by means of the acoustic transfer matrix method.

    并用声学传递矩阵方法建立柴油机特性管内声场管口辐射噪声关系

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  • Below the work top is room to allow for storage space. This storage space is accessed via sliding doors in front and internally removable panels in the rear. (can be vented to exhaust duct)

    操作面下部设置储藏空间。可应用拉门设计,并加装内置抽屉。(可风管连接做负压设计)

    youdao

  • Ventilation system by sending the exhaust fan, duct, duct parts, muffler etc.

    通风系统风机风道、风道部件消声器等组成

    youdao

  • The fume hood exhaust system should be set up independently, not the common duct, but can not use fire duct.

    通风橱的排风系统独立设置,不宜共用风道不能借用消防风道。

    youdao

  • And we design the duct so that the intake and exhaust smooth, noise and mechanical vibration is smaller.

    而且我们设计风道,使得进气排气更为通畅噪声机械振动小。

    youdao

  • The invention discloses an exhaust air duct cleaning system, which comprises an exhaust air duct, a dust collecting device, and a collecting device.

    发明公开了一种排气风管清洁系统清洁系统包含排气风管、装置以及收集装置。

    youdao

  • You can not be solved outside the exhaust fan duct layout in case of difficulties.

    解决了不能布置实验室设备风机风管情况下困难。

    youdao

  • You can not be solved outside the exhaust fan duct layout in case of difficulties.

    解决了不能布置实验室设备风机风管情况下困难。

    youdao

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