diamond drill

基本解釋

With Tools: Did you notice your honey lost or broke his diamond drill bit?
工具：你的愛人的金剛石鑽頭丟了或者壞了，你發(fā)現(xiàn)了嗎？
The regulations determine the efficiency and the service life of diamond drill, and also the safety, the credibility and the economical efficiency.
金剛石鑽進(jìn)的鑽進(jìn)槼程決定了鑽進(jìn)傚率和鑽頭的使用壽命，也決定了鑽進(jìn)的安全性、可靠性和經(jīng)濟(jì)傚益。
As the wheel is an important part of the diamond drill, how to design a high reliability of the wheel life and work of diamond drill bit bearings is the purpose of this article.
作爲(wèi)輪式金剛石鑽頭的一個(gè)重要部分，如何設(shè)計(jì)出具有較高使用壽命和工作可靠性的輪式金剛石鑽頭軸承是本文的目的。
lib.swpu.edu.cn

First Castle looks for industries making unsexy, overlooked products like diamond-studded drill-bit inserts, airplane toilets and class rings.
FORBES: The LBO Method
It had a tidy business in early 1997 selling coin-size diamond-embedded inserts that fit into larger drill bits used to dig oil and gas wells.
FORBES: Money & Investing