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工艺： 法兰式加热管是由加热管与法兰焊接固定而成。
用途： 用水、油、气体、在密封体内加热。
特点： 加热范围集中，热效率高。
Technology: flange type of heating is heating pipe and welding flanges from fixed.
Uses: water, oil, gas and sealed in heating.
Features: heating of the concentrated, high thermal efficiency.
