tandfonline.com
两家北美采购钇用于生产涂层的企业高管表示,因拿不到足够原料,不得不短暂停产,其中一家公司还开始拒绝较小及境外客户订单,将有限供应优先保证包括部分发动机制造商在内的大客户。
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This makes sense. These keys were designed as project identifiers for billing, and can be further restricted with (bypassable) controls like HTTP referer allow-listing. They were not designed as authentication credentials.
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