Akrit
钴铬钨工具合金, 钴铬钨系刀具用铸造 合金, 特硬耐磨合金
🗣️ 情景例句
We have around 3,000 workers.
大约有3000名职工。
Would you like to go for a short ride?
你想要去兜风吗？
Portable boiling elements that can boil small quantities of water are useful when the right voltage of electricity is available.
如果有相配的电压，可以煮少量水的便携式热水装置是有用的。