扁平化手绘风实验室科研器材矢量元素

Flat minimalist basic lab equipment icons on white background, navy blue beaker with white measurement lines, gray laboratory flask with blue liquid, white microscope with gray eyepiece, blue test tube with gray rack, gray petri dish with blue agar, white pipette with blue tip, blue graduated cylinder with gray base, gray glass bottle with blue cap, white stirring rod with blue swirl, nine icons evenly distributed in three rows and three columns, clean scientific shapes with professional blue, white and gray palette, essential and precise.