Minvar
敏瓦尔低膨胀系数合金铸铁
🗣️ 情景例句
What are your favorite subjects?
喜欢哪些课程？
How much does that typewriter weigh?
那台打字机重多少？
They had got away with thousands of pounds worth of diamonds.
他们已带着价值数千镑的首饰逃之夭夭了。