N the metal of components that are being welded by a molten filler metal 基体金属 [engineering]
The Bucky adhesive tape take the polyethylene and the gauze textile fiber heat compound as a parent metal.
布基胶带以聚乙烯与纱布纤维的热复合为基材。
Metallurgical tests of cross-sectional weld samples indicate a minimal heat-affected zone that is identical to the parent metal.
剖焊样品的金相检验表明，成品的最小热影响区与母体金属完全相同。
This paper describes in detail principles for appropriete selection of steel, compatibility of parent metal with welding material, etc.
结合武钢三炼钢厂房工程建设需要，本文详细阐述了钢材选用原则，新钢种及与焊接材料的匹配等问题；
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