词汇	airtight work
释义	airtight work 机气密工程
随便看	approximate value in excess approximate value measure approximate variance approximate variance estimator approximate variance function approximate variance of the ratio estimate approximate vector approximate vertical interval approximate water course approximate weakduality approximate weak duality approximate weight approximating approximating arc approximating common fixed points approximating conditional mode approximating first and second integral approximation algorithm approximation algo-rithm approximation al-gorithm approximation algorithms approximational speed approximation analysis Approximation Approach approximation by defect