tube capillaire
/kɔmˈɑ̃d də- laʁɡˈaʒ də- la- vɛʁjˈɛʁ/
n
English: capillary tube · 毛细管
Sens：End of the glass tube in which the mercury rises or falls with the temperature; the mercury thermometer tube is filled with gas.
English: capillary tube · 毛细管