... bottomer 井底把钓工 bottoming bit 可卸式钻头 bottoms 底部沉积物 ...
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bottoming type bit 活动钻头
bottoming g bit 可卸式钻头
The Dow toyed with 14, 000 in late 2007, sunk a bit for a year, and free-fell in late 2008, bottoming in early 2009 at 45% of the old high.
FORBES: The Dow Is Retracing the Stagflation Market
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