[机]?冲头
冲头(drift plug), 此释义来源于网络辞典。
?管木塞
... 森木塞姆 Simsim 管木塞 drift plug 木塞钻孔器 cork drill ; cork bore ...
Plug in the 21% annualized volatility that stocks have exhibited since 1926 and an assumption that prices drift neither up nor down over time.
FORBES: Investing
[机]冲头
formed punch??/??drift pin
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