The necessity of at least one Certified Dental Technician in each dental laboratory. Currently, three states require at least one CDT be employed by a laboratory.是什么意思_The necessity of at least one Certified Dental Technician in each dental laboratory. Currently, three states require at least one CDT be employed by a laboratory.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句