1)system,quardruplex,四工制2)four frequency duplex,四频双工制3)four-strand split rolling technology,四线切分轧制工艺4)four frequency duplex system,四频同向双工制(系统)5)C 4 processing,碳四加工6)Artificial limbs,人工四肢
用法例句
The original combined process for C 4 processing to produce high octane value gasoline in Lanzhou Petrochemical Company was made up of MTBE, polyisobutylene, gas fractionation, polymerization and alkylation units, taking FCC light C 4 distillate as feedstock.
