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使用联接器,夹子,螺钉,螺栓,水泥或焊接,钎焊和焊接设备连接管件。
Join pipes using couplings, clamps, screws, bolts, cement or soldering, brazing and welding equipment.
youdao
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使用联接器,夹子,螺钉,螺栓,水泥或焊接,钎焊和焊接设备连接管件。
Join pipes using couplings, clamps, screws, bolts, cement or soldering, brazing and welding equipment.
youdao