英语词汇“class 4 laser product”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	class 4 laser product
释义	class 4 laser product 四类激光产品允许人体接近超过三 B 类可接受发射极限AEL激光辐射的激光产品。
随便看	Two rank dynamic plan two-ranked Two ranks two-rank system two-rate two-rate charge two rated points pump two-rate meter two rate register two-rate register two rate system two-rate system two rate tariff two-rate tariff two-rate two-part prepayment meter two-rate well testing two ratings two-ratio gear Two Ray-flower Sinacalia Tuber two-ray interference two ray model two-ray model two-ray multipath model tworay oscillograph two-ray oscillograph