指出暖通空调施工图绘图表示方法迫切需要规范统一，以提高设计效率和设计质量。
Holds that currently used drawing expression methods need to be regulated and unified to improve design and raise efficiency.
指出暖通空调施工图绘图表示方法迫切需要规范统一，以提高设计效率和设计质量。
Holds that currently used drawing expression methods need to be regulated and unified to improve design and raise efficiency.
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