“root penetration”的概念、定义、翻译、参考文献-科学参考

单词	root penetration
释义	root penetration [`rüt ´pen·ǝ´trā·shǝn] ^METALLURGY The depth of penetration of the weld metal into the root of a joint.
随便看	parton part operation part programming partridge partridgeite partridgewood parts kit parts list parturient parturifacient parturiometer parturition party line party-line bus party-line carrier system party wall parulis parvafacies parvovirus parylene parylene capacitor PAS Pascal pascal Pascal rules

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