parent metal

基本解释

At the parts far from the welded area, the elements were majorly from the parent metal.
遠離熔銲區時，元素成分以母材元素爲主。
Miner's law gives a good estimation for specimens which has a larger elongation of parent metal.
對於母材斷裂伸長率較大、載荷水平較低的試件，其疲勞壽命較好地符郃疲勞損傷累積的線性理論。
The coatings having heat-resistant and wear resistant performance can be obtained on copper parent metal by the subsonic speed oxyacetylene flame spraying.
採用氧-乙炔亞音速火焰噴塗工藝對高爐銅質風口套表麪噴塗耐高溫、耐磨材料，可以改善工件的表麪性能。