This article outlines the alteration to new and old ventilator's air flue .

本文概述了新、老通风机风道接口的改造。

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Further analysis based on the checking calculation and tests proved that corrosion fatigue is the main reason that causes leakage in the air flue.

基于校核结果的进一步分析和测试表明，腐蚀疲劳是汽化器漏水故障的主要原因。

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The equipment pipe and air and flue gas ducts etc. supplied by the contractor shall be made in maximum allowable dimensions to reduce the fabrication on site.

承包商供应的设备、管道、烟风道等必须做成容许的最大尺寸以减少现场加工和安装的工作量。

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To do that they need not one but two energy-hogging air chillers, one to make liquid oxygen and another to remove CO 2 from the flue gases.

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