imperfection
...测;焊缝区域;缺欠 [gap=574]Key Words: SAW(SAWL and SAWH);ultrasonic testing;x-ray inspection;weld area; imperfection...
defect
defect(缺欠), 此释义来源于网络辞典。
be short of
... (少) little (穷困) poor (缺欠) be short of; lack: ...
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photographic deficiency
缺欠,指不足之处。