型号: RX-80GAS 封装: 手柄 批号: 20+ 数量: 20 RoHS: 是 产品种类: 电子元器件 最小工作温度: -50C 最大工作温度: 100C 最小电源电压: 1.5V 最大电源电压: 8.5V 长度: 7.1mm 宽度: 8.8mm 高度: 1.4mm 价格说明 价格:商品在爱采购的展示标价,具体的成交价格可能因商品参加活动等情况发生变化,也可...
gas emission to judge the necessity of gas extraction with the gas concentration distribution,the isoline gas content and gas emission calculation.According to "coal mine safety regulation" and "coal mine gas extraction engineering design specifications" serious analysis,Maijie coal need for gas ...
Fuel-Cycle Greenhouse Gas Emissions Impacts of Alternative Transportation Fuels and Advanced Vehicle Technologies At an international conference on global warming, held in Kyoto, Japan, in December 1997, the United States committed to reduce its greenhouse gas (GHG) em... M Wang - 《Transportation ...