单词	rational root
释义	rational root 有理根
随便看	shaft seal drain shaft seal(ed)pump shaft seal extraction fan shaft seal housing shaft sealing shaft sealing collar shaft seal leakage heater shaft seal leakage steam piping shaft seal pump shaft seal steam supply system shaft section shaft section area shaft service compartment shaft service department shaft shoulder shaft-shoulder shaft siding shaft signaling shaft signalling shaft sinking shaft sinking and drifting shaft sinking back hoe loader shaft-sinking drill shaft sinking drill shaft sinking grab 122112244 122112334 12211234 122112534 122113151 1221132 122113222 1221134 1221134*44 1221135 16334 16335 16336 16337 16338 16339 16340 16341 16342 16343