常压下连续吸纯氧的安全时限为______小时;0.2MPa下连续吸纯氧为______分钟;0.25MPa下连续吸氧的安全时限为______分钟;0.3 MPa下连续吸氧的安全时限为______分钟。
正确答案:
"12~24","150","120","40"
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常压下连续吸纯氧的安全时限为______小时;0.2MPa下连续吸纯氧为______分钟;0.25MPa下连续吸氧的安全时限为______分钟;0.3 MPa下连续吸氧的安全时限为______分钟。
"12~24","150","120","40"
微信扫一扫手机做题