“root opening”的概念、定义、翻译、参考文献-科学参考

单词	root opening
释义	root opening [`rüt `ō·pǝn·iŋ] ^METALLURGY In welding, the distance between members at the root of the joint.
随便看	wedging wedging bit weed week weep hole weeping core weeping spring weevil weft weft knitting Wegener's granulomatosis Wehnelt cathode wehrlite Weibull distribution weibullite Weierstrass' approximation theorem Weierstrass functions Weierstrassian elliptic function Weierstrass M test radio metal locator radio meteor radio-meteorograph radio meteorology radiometer radiometer effect

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