短語詞組短語charging pneumatic valve 帶充氣氣動閥charging check valve 充氣止回閥gas charging valve 充氣閥nitrogen charging valve 充氮閥charging valve spool 充氣閥芯oil charging valve 加油閥charging valve cover 充氣閥蓋pressure charging valve 增壓閥accumulator charging valve 蓄能器充氣閥 返回 charging valve