Vacuum piping
[化] 真空管道; 真空管路; 真空管线
🧩 词语组成解析
piping
['paipiŋ]
n. （某种或某长度的）管道;笛声;（食品上装饰用的）奶油花饰;（衣服、椅罩等的）滚边;
adj. 尖声的;高声的;平静的;平和的;
🗣️ 情景例句
... Oh, oh, I see.... Oh ... certainly.
……嗯 嗯 我知道了。……嗯……一定。
A man is known by the company he keeps.
察其友知其人。
About fifty.
大约有五十本。