ethane造句
The gas , which is sulphur - free , contains 89 - 99 % methane, up to 6 %
ethane, and 3 % propane.
天然气不含硫, 含甲烷88-99%, 乙烷6%和丙烷3%.
The cloud might be snowing
ethane snowflakes into methane lakes below.
云层可能正在向下面的甲烷湖飘落乙烷雪.
BA 110
ethane pyrolysis furnace is an important equipment of ethylene plant.
BA110乙烷裂解炉是乙烯装置的重要设备.