gulp valve的用法和樣例：
例句
- An overall air control for each pipe in each room is available by fitting an air valve at the hot water supply.
把空氣閥安裝在溫水供給器時可綜合處理各房間管路內的空氣。 - Smooth operation of throttle linkage and throttle body air valve.
節流連桿和節流體空氣閥的平穩操作。 - The large holes on the left and right represent the inlet and exhausting valve ports respectively.
左右兩側的兩個大孔，分別表示進氣閥孔和排氣閥孔。
