Magal
铝镁合金
🗣️ 情景例句
That idea would never work in practice.
那种设想永远实现不了。
Draw not your bow till your arrow is fixed.
事未齐备，切莫妄动。
Such a messenger, receiving our radio and television signals,
这种自动化信息装置，在接收到我们的无线电和电视信号后，