单词	运石船
释义	运石船barge for stones
随便看	critical flutter speed critical flutter--speed critical focus critical force critical formalism critical frequency critical frequency horn critical friction velocity critical function critical fusion frequency critical fusion frequency (cff) critical fusion frequency {=cff} critical fusion frequency，cff critical gain critical gas saturation critical geography critical gradient critical graph critical grazing angle critical grid current critical grid voltage critical groundwater table critical gun pull critical hardeness critical hardening