• high vaccum tube

उच्च:    academy highly Superior up aloft high speed

उच्च निर्वात:    high vacuum उच्च academy highly Superior

निर्वात:    vacuum exhaust vaccum vacuo sultry

निर्वात नलिका:    vaccum tube vacuum tube निर्वात

नलिका:    catheter pipette pipet pipe manifold duct canal