Perlition
表面渗碳用液体渗碳剂
🗣️ 情景例句
Let's get some new drapes for the windows.
我们需要一些落地窗帘来装饰窗户。
We are supposed to help each other.
我们理应彼此帮助。
You've got lots of old buildings in your country.
你们国家有许多古老的建筑物。