Sampling hole has many small holes to reduce puffball superposition and reduce error of animalcule count.
采集口为无数微孔，减少了尘菌重叠，降低了微生物计数错误。
Through this experimentation, it indicates that the sampling bit added pumping hole ADAPTS to drilling in most fragmentized strata.
试验表明，增加了抽吸孔后的取样钻头适合在极其破碎的地层中钻进。
Sampling pedestal and crust adopt quality aviation aluminum, surface close hole processing and is convenient to sterilize and disinfect before using.
采样口和外壳采用优质航空铝制造，表面闭孔处理，便于使用前的灭菌消毒。
应用推荐