1)butane atmospheres,丁烷炉气2)butane fuel gas tube,丁烷气管3)propane-butane-pentane gas,丙烷丁烷戊烷混合气4)butane gas sensor,丁烷气敏元件5)butane-enriched water gas,富丁烷的水煤气6)standard gas of oxygen in nitrogen,空气中异丁烷标气
用法例句
Development of electrochemical WO_3-based butane gas sensor;