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地板供暖必须是水基系统。
The floor heating must be a water based system.
youdao
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这些产业中水基液压系统的明显的优点是它们的耐火性。
The obvious advantage of water systems in these industries is their fire resistance.
youdao
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这些产业中水基液压系统的明显的优点是它们的耐火性。
The obvious advantage of water systems in these industries is their fire resistance.
youdao