“pan head”的概念、定义、翻译、参考文献-科学参考

单词	pan head
释义	pan head [`pan ´hed] ^{DESIGN ENGINEERING} The head of a screw or rivet in the shape of a truncated cone.
随便看	allele allele frequency allelic mutant allelochemic allelochemistry allelomimetic behavior allelomorph allelopathy allelotoxin allelotropism allemontite Allen-Doisy unit allene Allen red metal Allen screw Allen's rule Allen wrench allergen allergic arteritis allergic dermatitis allergic granulomatosis allergic reaction allergic rhinitis allergic vasculitis syndrome allergy

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