self-contained compressed air-operated breathing apparatus
...lf-contained breathing apparatus 自给式压缩空气操作呼吸器 self-contained compressed air-operated breathing apparatus 自足式涡轮发电机 self-contained turbogenerator ..
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self-contained compressed air-operated breathing apparatus
独立的压缩空气操作呼吸器
以上为机器翻译结果，长、整句建议使用 人工翻译 。