Splined hub
[机] 滑槽壳
🧩 词语组成解析
多键的
hub
[hʌb]
n. 轮轴;中心，焦点;（电器面板上的）电线插孔;[计]集线器;
🗣️ 情景例句
That's backbreaking work and may be too much for us.
这可是累人的工作， 我们可能负荷不了。
Happy is he that is happy in his children.
对自己孩子感到高兴的，才是幸福的人。
The most wonderful piece of machinery on show was Nasmyth's steam hammer.
其中最奇妙的是内史密斯的蒸汽锤。