tubes soldering
管焊接
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The HW Series are used for sweating soldering of PE tubes. All the key components are quality products sourced domestically and abroad.
HW系列热熔对接焊机适用于PE等塑料管材的热熔对接。关键元器件选用国内外优质产品。
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