例句與造句

1. Description : production cylinders , valves , gas source logic components , auxiliary gas path parts , pneumatic tools , pneumatic machinery
   簡介：生產(chǎn)氣缸、氣閥、氣源、邏輯元件、氣路輔件、氣動工具、氣動機械等。
2. It's difficult to find auxiliary gas in a sentence. 用auxiliary gas造句挺難的