“countersinking”的概念、定义、翻译、参考文献-科学参考

单词	countersinking
释义	countersinking [`kau̇nt·ǝr´siŋk·iŋ] ^{MECHANICAL ENGINEERING} Drilling operation to form a flaring depression around the rim of a hole.
随便看	hemizygous hemlock hemlock oil hemming hemobilirubin hemoblast hemochorial placenta hemochromatosis momentum thrust momentum-transport hypothesis momentum wave function Momertz-Lentz system Momotidae monactine monadelphous monadic operation Monadidae monadnock monalbite monandrous monatomic monatomic gas monaural sound monaxon monazite

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