| 单词 | supplied-air respirator |
| 释义 | supplied-air respirator [sǝ`plīd ¦er `res·pǝ´rād·ǝr] ENGINEERING An atmospheric-supplying device which provides the wearer with respirable air from a source outside the contaminated area; only those with manual or motor-operated blowers are approved for immediately harmful or oxygen-deficient atmospheres. |
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