然而，在现阶段的暖通空调工程设计安装中，存在了诸多的问题。
However, in the current stage of the hvac engineering design installation, there are the existing problems.
互联网环境下的暖通CAD提供了互动设计方式，其设计过程模式发生了根本变化，为设计数据共享与优化提供了可能。
HVAC CAD based on Internet provides active design mode that is different from the traditional HVAC CAD, the data can be Shared in more degree and the designing result can be optimized.
暖通空调方案设计安装是整个暖通空调系统生命周期中最为关键的一环，是后续工作顺利进行的重要保障。
An air conditioning scheme is the whole design and installation hvac system in the life cycle of the most key ring, follow-up work is an important guarantee the smooth.
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