| 单词 |
drop-bottom car |
| 释义 |
drop-bottom car drop-bottom car[′dräp ‚bäd·əm ‚kär] (mining engineering) A mine car designed so that flaps drop open in the bottom to allow the coal to fall out as the car passes over the dump; flaps close as the car leaves. |
| 随便看 |
- july 12, 2014
- july 12, 2015
- july 12, 2016
- july 12, 2017
- july 12, 2018
- july 12, 2019
- july 12, 2020
- july 12, 2021
- july 12, 2022
- july 12, 2023
- july 12th
- july 13
- july 13, 2011
- july 13, 2012
- july 13, 2013
- july 13, 2014
- july 13, 2015
- july 13, 2016
- july 13, 2017
- july 13, 2018
- july 13, 2019
- july 13, 2020
- july 13, 2021
- july 13, 2022
- july 13, 2023
|