etherized的音标：...

v.以醚麻醉，化成为醚( etherize的过去式和过去分词 )...

The mass fraction of n - butene in mixed C 4 from catalytic cracking after etherized was approximately 40 %.醚化后的催化裂化混合C4中含有质量分数约为40%的正丁烯,是生产丙烯的优质原料....