| 单词 |
double-core barrel drill |
| 释义 |
double-core barrel drill double-core barrel drill[¦dəb·əl ‚kȯr ′bar·əl ‚dril] (design engineering) A core drill consisting of an inner and an outer tube; the inner member can remain stationary while the outer one revolves. |
| 随便看 |
- january 12, 2016
- january 12, 2017
- january 12, 2018
- january 12, 2019
- january 12, 2020
- january 12, 2021
- january 12, 2022
- january 12, 2023
- january 12th
- january 13
- january 13, 2011
- january 13, 2012
- january 13, 2013
- january 13, 2014
- january 13, 2015
- january 13, 2016
- january 13, 2017
- january 13, 2018
- january 13, 2019
- january 13, 2020
- january 13, 2021
- january 13, 2022
- january 13, 2023
- january 13th
- january 14
|