单词dimethylmethane
网络: 丙烷；丙烷又名二甲基甲烷
The section chief introduced the unit of measurement of methanol and dimethylmethane propane for UNICASE furnace to Hu Yubing.
工段长对胡玉兵讲解UNICASE炉甲醇和丙烷压力计量单位；