“needle body”的概念、定义、翻译、参考文献-科学参考

单词	needle body
释义	needle body 针身
随便看	utility programmer utility radio communication utility radio transmitter utility ratio utility routine utility scale utility service utility session utility software package utility subroutine library utility system utility theory utility theory of value utility time utility tree utility truck utility-type utility-type unit utility unit utility value utility vehicle utility versus money loss utilization utilization area utilization coefficient

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