 |
| |||
| respiratory masks | |||
| |||
| respiratory mask | |||
| oxygen mask | |||
| protection mask; face mask; respirator mask; respirator | |||
| oronasal mask | |||
| breathing mask; smoke mask | |||
| small oxygen mask | |||
| mask | |||
| |||
| respirators other than for artificial respiration; respiratory masks other than for artificial respiration | |||
|
Atemmasken : 2 短语, 2 学科 |
| 一般 | 1 |
| 医疗的 | 1 |