Nihard
镍铬冷硬铸件, 含镍耐磨铸铁
🗣️ 情景例句
Give it a try.
试试看。
Hello, it's a pleasure to meet you all.
你们好，很高兴见到大家。
He made up his mind to once again ask for her hand in marriage.
他下决心再一次向他求婚。