One such scenario where cable diameter is of primary consideration is duct applications where duct space is leased to the user.
当电信运营商靠租用管道来敷设光缆时，光缆直径就成为他们要考虑的主要的因素。
The common point of the ventilation duct is to do the appropriate purification in the effective space, and it is the minimum pollution and the maximization of the space in this area.
通风管道说的通俗点，就是在有效空间做相应净化，是这个范围内的空间最小污染和最大化的清洁。
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。可应用拉门或滑门设计，并加装内置抽屉。（可与排风管连接做负压设计）
In general, it is better to set the ITB in turbine transition duct for more sufficient space and more excellent performance improvements.
两种方案对比，在涡轮过渡段设置级间燃烧室空间上更好布置，性能上更占优势。
In general, it is better to set the ITB in turbine transition duct for more sufficient space and more excellent performance improvements.
两种方案对比，在涡轮过渡段设置级间燃烧室空间上更好布置，性能上更占优势。
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