气密性检测装置
measuring devise on air tightness
气密性能
sealing character
performance of airtight
Air-tightness
airproof performance
air tightness
air permeability performance
气密性试验
gas-tight test
tightness test
gas-tightness test
airtight inspecting
air pressure test for tightness
air tightness test
leak tightness test
gas leak test
leakage test
air tight test
air-tight test
液化气密度计
liquified gas density meter
液态金属氧气密度计
liquid metal oxygen densitometer
圆片级气密封装
wafer-level hermetic package