词汇	sand fineness
释义	sand fineness 砂子平均粒度
随便看	charge regeneration charge regeneration stage charge regime charge register charge regulation charge relay network charge relay system charger eliminator charger-eliminator charge removing electrodes charge renormalizability charge renormalization charge repulsion Chargeres charge resistance charge resistance furnace charge-resistance furnace charge retainability charge retention charge-retention time charge reversal charge reversal temperature Charge reversion of rubber particle charger feeder Charger for External Power Supply