词汇	fixed oil radical
释义	fixed oil radical 固定油基
随便看	mechanical structure mechanical structure resonance frequency mechanical structure resonance frequency test Mechanical structures mechanical structure type transducer Mechanical Stucture mechanical stypsis mechanical styptic mechanical subgrader mechanical subsoiling mechanical suhcooling mechanical supercharger mechanical supercharging mechanical superphosphate den Mechanical Supply Division Mechanical Support Equipment mechanical supporting mechanical supporting techniques mechanical surface agitation Mechanical surface enhancement mechanical suspension Mechanical suture mechanical sweep mechanical sweeper mechanical sweeping