名词短语
中文翻译：无管式暖气
同义词：
['无管式加热器例句：1. The warm-air pipeless heating system is very efficient.（无管式暖气系统非常高效。）2. This new model of warm-air pipeless heating has been well received by customers.（这款新型无管式暖气深受顾客欢迎。）']
例句：
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1. The warm-air pipeless heating system is very efficient.
无管式暖气系统非常高效。
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2. This new model of warm-air pipeless heating has been well received by customers.
这款新型无管式暖气深受顾客欢迎。
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3. The warm-air pipeless heating system is widely used in modern homes.
无管式暖气系统在现代家庭中广泛使用。