API filtration
| testing equipment
| API filtration | |
| oil | API 滤失量 |
| testing equipment | |
| auto. | 检测 设备 |
| el. | 试验装置 |
| hydroel.st. | 试验设备 |
| refrig. | 试验仪器 |
| |||
| API 滤失量 | |||
| API 失水 | |||
|
API filtration : 2 phrases in 1 subject |
| Oil / petroleum | 2 |