The electric heating air bag is used to heat and solidify thermosetting resin of the lining material added in the pipeline.
使用该电热气囊而被加在管路中的衬里材料的热固性树脂被加热、固化。
The electric heating air bag is used to heat and solidify thermosetting resin of the lining material added in the pipeline.
使用该电热气囊而被加在管路中的衬里材料的热固性树脂被加热、固化。
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