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1 | 鍌寲鐕冪噿寮忕敳鐑锋脯(c猫)瀹氬櫒 | 锛�0锝�4.00锛�%CH4 | 0≤x≤1%CH4 ±0.10%CH4 |
| | | 1%CH4≤x≤2%CH4 ±0.20%CH4 |
| | | 2%CH4≤x≤4%CH4 ±0.30%CH4 |
2 | 鍙噧?x矛)鎬弚妾㈡脯(c猫)鍫�(b脿o)璀﹀櫒 | 锛�0锝�100锛�%LEL | ±5%FS |