一名美国政府官员表示，尽管钇和钪的短缺尚未直接拖累喷气发动机和芯片的产量，但部分美国制造商已出现来自中国的特定稀土原料“短缺”问题。
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"It's been investigated for many years," says Read, acknowledging that elastomers have yet to revolutionise actuator tech. "Often with these technologies, you have to keep pushing."
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