trepanning

基本解釋

The principles, characteristics, processing laws and efficiency of EDM trepanning cavity of the moulds were analyzed.
分析了電火花套型加工的工藝原理、特點及加工工藝規(guī)律和加工效率。
About this standard provision classify, trepanning and reinforce of hull structure.
本標準規(guī)定了船體強力構(gòu)件上的區(qū)域分類，開孔及補強。
The work principle of a bore trepanning machine for rare-earth permanent magnetic material prestented.
闡述了用于稀土永磁材料套孔加工的自動稀土旋孔機的工作原理，介紹了機械系統(tǒng)結(jié)構(gòu)設(shè)計及特點。
In view of cost, practicability and maneuverability, the special sintering diamond trepanning drill was developed for drilling ceramic composite components originally.
根據(jù)復(fù)合構(gòu)件加工中的各種缺陷，分析了采用預(yù)壓應(yīng)力鉆削對改善表面加工質(zhì)量的重要性。
Anne Conway suffered from severe migraines and is said to have considered the operation known as trepanning as a possible cure.
安妮?康韋遭受嚴重的偏頭痛折磨，據(jù)說曾考慮進行環(huán)鋸手術(shù)作為可能的治療。

an instrument resembling a carpenter's brace and bit formerly used to remove circular sections of bone (esp from the skull) &rarrcompare trephine
to cut (a hole or groove) with a trepan
to entice, ensnare, or entrap
a person or thing that traps