the ideal gas law理想气体定律;理想气体状态方程;根据理想气体定律
The Greenhouse Gas Protocol温室气体盘查议定书;温室气体核算体系;温室气体议定书
supplies the fuel gas供燃气
The fuel gas supply燃气供应
the dry gas sealing干气密封
the natural gas天然气
The apparent gas velocity表观气速
the exhausted gas被抽气体
the explosion gas pool曝气池体积