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《煤矿安全规程》第134条规定:……井下充电室内风流中以及局部积聚处的氢气浓度,都不得超过0.5%。在沼气矿井中,蓄电池电机车被广泛利用,并且是沼气矿井中主要运输工具。蓄电池电机车的蓄电池又必须在井下充电室内进行充
“Coal Mine Safety Regulations” Article 134 states: ... Downhole indoor air flow and local accumulation of hydrogen concentration, shall not exceed 0.5%. In biogas mines, battery electric vehicles are widely used and are the main means of transport in biogas mines. Battery electric vehicle battery must be recharged in the underground charging room