经校准的接菌环 meaning in English

calibrated loop

Milk . calibrated loop . part 3 : determination of the volume taken by means of a calibrated loop routine method
奶.经校准的接菌环.第3部分:用经校准的接菌环提取奶的容量
Milk . calibrated loop . part 1 : specifications . part 2 : determination of the volume taken by means of a calibrated loop reference method
奶.经校准的接菌环.第1部分：规范.第2部分:用经校准的接菌环提取奶的容量