Spedex
德银(镍5-33％, 铜50Spedex70％, 锌13Spedex35％)
🗣️ 情景例句
Thanks for your understanding and cooperation.
谢谢你的理解和合作。
To know one's self is true progress.
能有自知之明就是真正的进步。
The house was completed five months ago.
是在5个月以前竣工的。