Alumincoat
耐热渗铝法
🗣️ 情景例句
Many business people turn off their pagers and cell phones during their leisure time.
许多商人在他们的休息时间里都把传呼机和移动电话关掉。
It's not too heavy,but I don't know the exact weight.
它不是太重的，但是我不知道准确的重量。
Is that an English car?
那是辆英国产的小汽车吗？