Kennametal
钴碳化钨硬质合金, 钨钛钴类硬质合金
🗣️ 情景例句
I arrived there without any delay.
我顺利抵达。
Ignorance is the mother of impudence.
厚颜无耻由于愚昧无知。
That sounds like a good idea.
那听上去是个好主意。