Conclusion Hard alloy dust exposure can greatly increase the hair cobalt content of workers, but it almost has no influence on the blood cobalt content in the experimental group.
结论硬质合金粉尘接触可导致人体头发钴含量显著增高，但对人体全血钴含量影响不大。
Atlanto Xingpei Group is an aluminum-magnesium alloy has a 15 years experience in the design and manufacture of high-tech enterprises.
寰霈集团是一家拥有15年铝镁合金设计和制造经验的高科技企业。
Patients in group A(109 teeth) were treated with cast cobalt-chromium alloy post, cobalt-chromium alloy handcuffed ceramic crowns;
A组109颗重度楔状缺损牙，采用铸造钴铬合金桩、钴铬合金烤瓷冠修复；
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