“knuckle rail”的概念、定义、翻译、参考文献-科学参考

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单词	knuckle rail
释义	knuckle rail 肘形轨
随便看	penetration depth penetration depth of slow neutron penetration dyeing penetration factor penetration fusion welding penetration gland penetration index penetration load penetration load curve penetration log penetration macadam penetration metamorphism penetration method penetration needle penetration number penetration of dampness penetration of extraction field penetration of fracture penetration of hardness penetration of ions penetration of radiation penetration of the tool penetration peg penetration per blow penetration pile