hydraulic-diaphragm micropipetter

例句：

1. 1. Thisinstrument is used for precise microinjections in the laboratory.
   这种仪器用于实验室中的精确微量注射。
2. 2. The micropipette was used todraw up a sample from thetest tube.
   微量注射器被用来从试管中吸取样本。
3. 3. The hydraulic diaphragm micropipette was used to deliver drugs directlyinto the patient's bloodstream.
   液压隔膜微量注射器被用来直接将药物输送到病人的血液循环中。