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Abstract Better weld quality is received by choosing technical parameter of weld (weld current is 150A, weld voltage is 8.8V, weld speed is 0.7~1.0 m/min). There is no pore and flaw in weld seam of the product, the temperature of proximal weld seam in welded CICC conduct is less than 183℃， so the electric is better. Compression resistance of weld seam is more than 5 MPa, and airproof capability is better. Product can meet demands of specifi cation.
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2011, 
