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The supplied-air respirator uses the same sort of filter cartridge found in an air-purifying respirator .
供气式呼吸器使用同样与过滤式呼吸器一样的过滤罐。
youdao
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The supplied-air respirator uses the same sort of filter cartridge found in an air-purifying respirator .
供气式呼吸器使用同样与过滤式呼吸器一样的过滤罐。
youdao