“pith knot”的概念、定义、翻译、参考文献-科学参考

单词	pith knot
释义	pith knot [`pith ´nät] ^MATERIALS A small knot with a diameter of 0.25 inch (0.64 centimeter) or less in a wood board that has a pith hole.
随便看	STR strabismus straddle milling straddle truck strafe straggling straight beam straight bevel gear straight dynamite straightedge straightening vanes straight filing straight-flow turbine straightforward circuit straightforward trunking straight joint straight-line coding straight-line mechanism straight-line motion straight piecework system straight polarity straight proportional system straight-run straight-run distillation straight-run gasoline

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