 |
| |||
| chemical powder (Adrax) | |||
| dry chemical; fire extinguishing agent | |||
| dry chemical powder (Borys Vishevnyk); extinguishing powder (igisheva) | |||
| огнетушащий порошок: 2 短语, 2 学科 |
| 电气工程 | 1 |
| 职业健康和安全 | 1 |
|
| |||
| chemical powder (Adrax) | |||
| dry chemical; fire extinguishing agent | |||
| dry chemical powder (Borys Vishevnyk); extinguishing powder (igisheva) | |||
| огнетушащий порошок: 2 短语, 2 学科 |
| 电气工程 | 1 |
| 职业健康和安全 | 1 |