“sharp V thread”的概念、定义、翻译、参考文献-科学参考

单词	sharp V thread
释义	sharp V thread [`shärp `vē ´thred] ^{DESIGN ENGINEERING} A screw thread having a sharp crest and root; the included angle is usually 60°.
随便看	Penrose diagram Penrose-Hawking theorems penroseite Penrose process Penrose theorem Pensky-Martens closed tester penstock pentabasic pentaborane pentachloride pentachloroethane pentachloronitrobenzene pentachlorophenol pentacite pentacosane pentacrinoid pentactinal pentacula pentacyanium bis\\(methyl sulfate\\) pentad pentadactyl pentadecagon pentadecane pentadecanolide pentadelphous

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