Valve clearance
[化] 阀余隙
🧩 词语组成解析
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
It's eleven thirty.
十一 点半。
Altogether it will take ten days to make the trip.
完成旅行将花10天。
Hi! Nice to meet you, too!
我也很高兴见到你。