Selective headstock
[化] 变速箱; 床头箱
🧩 词语组成解析
selective
[si'lektiv]
adj. 精心选择的;选择的，不普遍的;淘汰的;
n. 头座, 机头座\\n[机] 车头, 主轴台
🗣️ 情景例句
Why did you stop working?
你为什么要退休？
Please quote us as soon as you receive our inquiry.
请接到我们的询价单后马上给我们报价。
Sure I was. I'll never forget that.
我当然在那儿了。我永远都不会忘记那次地震。