脱甲烷demethanizer: 甲烷馏除器; 脱甲烷塔demethanization: 馏除甲烷; 去甲烷化; 脱甲烷demethanizing: 脱甲烷的demethanation: 脱甲烷作用demethanizing column: 脱甲烷塔下载手机词典可随时随地查词查翻译
