Scavenging valve
[機] 驅氣閥
?? 詞語組成解析
[化] 除氣; 除氣法; 清除的\\n[醫] 清除
valve
[v?lv]
n. 閥;真空管;（管樂器的）活栓;（心臟的）瓣膜;
vt. 裝閥于;以活門調節;
??? 情景例句
It won't hurt you to try it.
你不妨試試。
What were you doing when I called?
我打電話給你時你在干嗎？
UNCLE WANG'S FACTORY
王大叔的工廠