国产精自产拍久久久久久蜜,久久精品无码立川理惠,性交一区,给我黄色操逼的视频的

Can be loaded with laboratory glassware such as Erlenmeyer flasks, round bottom flasks, reagent bottles, volumetric flasks, etc. Take care Injection nozzle: φ2.5/φ4/φ6mm Nozzle height: 110/160/220mm

Can be loaded with laboratory glassware such as Erlenmeyer flasks, round bottom flasks, reagent bottles, volumetric flasks, etc. Take care Injection nozzle: φ4mm Nozzle height: 160mm

Can load laboratory glassware, such as volumetric flasks, colorimetric tubes, test tubes, headspace bottles, etc. Take care Injection nozzle: φ2.5mm Nozzle height: 110mm

Can be loaded with laboratory glassware such as Erlenmeyer flasks, round bottom flasks, reagent bottles, volumetric flasks, etc. Take care Injection nozzle: φ2.5mm Nozzle height: 110mm

Can load 112/119 pipettes, etc. Frame height: 150mm

Can load 112/119 glass tubes, such as injection vials, glass bottles, test tubes, centrifuge tubes, headspace bottles, etc.