“root crack”的概念、定义、翻译、参考文献-科学参考

单词	root crack
释义	root crack [`rüt ´krak] ^METALLURGY A crack in the weld or in the heat-affected zone at the root of the weld.
随便看	ocean weather station ocellar ocellus ocelot ocher ochlophobia Ochnaceae Ochoan Ochotonidae ochratoxin A ochre mutation Ochrept Ochrobium ochroleucous ochronosis Ochteridae Ochteroidea Ockham's razor ocotea oil OCR ocrea octadecenyl aldehyde octafluorocyclobutane octafluoropropane octagon

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