Method By cotton swab sampling examination of incision wound of laparoscopic operation patients, a survey of contamination condition of laparoscopic operation instruments was carried out.
方法通过对腹腔镜手术病人切口棉拭子采样检测，对腹腔镜手术器械污染情况进行了调查。
In order to know the sanitary quality of disposable sanitary products produced, sold and used in Beijing, field sampling and laboratory examination method were used to carry out a survey.
为了解北京市生产、销售和使用的一次性使用卫生用品的卫生质量状况，采用现场抽取样品和实验室检测方法进行了调查。
Sampling examination by metallographic test was the traditional method for measuring the depth of the quenched layer in crankshaft, which could not meet the needs of the production of auto industry.
传统的曲轴淬火层深度测试方法是金相抽检，不能满足汽车工业生产需要。
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