“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	dipmeter log dip mold dip needle Dipneumonomorphae Dipneusti Dipnoi dipnone Dipodidae dip of horizon dip oil dipolar gas dipolar ion dipole dipole anisotropy dipole antenna dipole-dipole force dipole disk feed dipole moment dipole polarization dipole radiation dipole relaxation dipole sound field dipole transition diporpa larva Dippel's oil

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