Packless valve
[化] 无填料阀
🧩 词语组成解析
[化] 未包装的; 无填充的; 无填料的
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
🗣️ 情景例句
Where's the dressing room?
试衣间在哪儿？
She's head over heels in love with him.
她深深地爱上了他。
Did you know that Stone ended up marrying his secretary?
你知道吗？斯通最终和他的秘书结婚了。