f.2.1远场....................................................................................................................................................................................................................................................................................................................................... 194 f.2.2空中汇率..................................................................................................................................................................................................................... F.2.4近场卷..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Trichloroethylene Weight Fraction .......................................................................................195 F.2.8 Volume of Degreaser Used per Brake Job ...........................................................................196 F.2.9 Number of Applications per Brake Job ................................................................................196 F.2.10 Amount of Trichloroethylene Used per Application ....................................................................................................................................................................... 197 f.2.11每周工作时间.....................................................................................................................................................................