potential-drop-ratio
| method
| potential drop ratio | |
| earth.sc. | 电位差比法; 电位降比 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 电位差比法; 电位降比 | |||
| |||
| 电位降【差】比 | |||
|
potential-drop-ratio : 1 phrase in 1 subject |
| Technology | 1 |