Reducer union
[化] 变径接头; 过渡接头
🧩 词语组成解析
n. 渐缩管, 缩减者, 还原剂\\n[化] 变径段; 变径管; 异径管; 大小头; 还原剂; 减速器; 减振器; 节流器
🗣️ 情景例句
Typing is easy once you get the hang of it.
一旦你掌握诀窍，打字就很简单。
I'll give you a hand.
我来帮助你。
Do what he or she tells you to do.
听从老师的教导。