Composition and function ..
Theelectrodeiscomposedofametalcoreandcoatingconsistsoftwoparts,themainroleisasthecoreelectrodeandfillermetal;coatingisthemainfunctionofthearcstability,protection,deoxidization,all..
2017-11-27
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The Belt and Road, Chang Jiang River Economic Region CNCRC study team looked int..
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