bottom tool

基本解释

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，對其進行研究能減小鑽具損害和各類井下事故的發生。

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.
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