Minvar
敏瓦尔低膨胀系数合金铸铁
🗣️ 情景例句
Can I get you some coffee or tea or a cold drink, Rita Mae?
要咖啡、 茶或者冷饮吗 ，Rita Mae？
He likes playing the harmonica.
他喜欢吹口琴。
Instruments have been devised and can be so placed that all three elements can be recorded in different graphs.
已经设计出了一些仪器，它按照一定的安放方式就可测绘出这三种运动的曲线图。