an intravenous drip tube or drip chamber used to deliver fluids into a patient's bloodstream

护士在调整输液架上滴管的流速。

a small tube with a squeeze bulb used for measuring or transferring small quantities of liquid, such as an eyedropper, pipette, or burette

他用滴管向试管中加入了两滴试剂。

a specialized pipe used in drip irrigation systems to deliver water directly to plant roots (abbreviation for 滴灌 dī​guàn管 guǎn)

这种新型滴管可以有效地节约农业用水。