单词	圆形砂粒
释义	圆形砂粒rounded sand grain
随便看	automatic plotting automatic plotting board automatic plucker automatic point marking automatic poll automatic polling automatic position automatic position control automatic positioner automatic positioning equipment automatic positioning equipment，ape automatic positioning machine automatic position plotter automatic position reference system automatic position reference system，aprs automatic potentiometer automatic poultry feeder automatic pouring machine automatic power control automatic power control (apc) automatic power control {=apc} automatic power factor regulator automatic power loom automatic power off automatic power off--apo