casing-bit
| size
| program
| casing bit abbr. | |
| tech. | 套管钻孔用钻头; 套管钻头 |
| size abbr. | |
| bridg.constr. | 个儿 |
| hydroel.st. | 体积; 粒径 |
| manag. | 规模; 数量 |
| met. | 量尺寸; 计量; 定径 |
| stat. | 3/4云德; 绝对频率 |
| program abbr. | |
| jewl. | 表 |
| scient. | 安排节目 |
| programme abbr. | |
| gen. | 程序 |
| bridg.constr. | 规划 |
| desert. | 计划署 |
| met. | 大纲; 方案 |
| sport. | 节目; 计划; 秩序册 |
| |||
| 套管钻孔用钻头; 套管钻头 | |||
|
casing-bit : 5 phrases in 2 subjects |
| Oil / petroleum | 1 |
| Technology | 4 |