In both groups, serum specimen was collected by using disposable injector with No. 7 pinhead, and whole blood specimen was collected by adopting disposable No. 7 blood lancet.是什么意思_In both groups, serum specimen was collected by using disposable injector with No. 7 pinhead, and whole blood specimen was collected by adopting disposable No. 7 blood lancet.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句