bottom tool

基本解釋

You may also want to carry around lubricant, a bottom bracket tool and some spanners .
您可能還需要隨身攜帶的潤滑劑，一個中軸工具和一些扳手。
The make-up tong is placed on the top tool joint and the break-out tong is placed on the bottom tool joint.
外鉗打在上邊的接頭上，內(nèi)鉗打在下邊的接頭上。
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Research on vibration problems which is the main reason causing bottom drilling tool failure, can reduce drilling tool damage and emergence of underground accidents.
振動問題一直是引起底部鑽具失傚的主要原因，對其進(jìn)行研究能減小鑽具損害和各類井下事故的發(fā)生。

But, as the International Crisis Group, a think-tank, wrote last year, corruption is not only a means of personal enrichment for the elite, but also a powerful tool of political control: everyone, from top to bottom, is complicit, and vulnerable to co-option.
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That joint investigation will have every tool it needs, including subpoena power, to get to the bottom of what went wrong.
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The bottom line was that switching critical data from the iPhone to the RAZR was painless, once I found the right tool to use for the music transfer, even for a decade-plus devoted Apple user.
FORBES: How To Keep 'Costs' Of Switching From iPhone To Motorola RAZR Low