self-rescuer
(chemistry) any salt or ester of orotic acid
One who is rich.
A self-contained device to generate oxygen for breathing.
Confinement within narrow limits, as of foreign troops, to the interior of a country.
鉱山の崩落時、作業員は救助されるまで自分の呼吸用自給式酸素発生器を使って呼吸した。
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DiQt
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