不可达值 [
bù kě dá zhí]
[数] inaccessible value
- 薄壁管小弯曲半径数控弯曲成形中,周向应变不可忽略,其值最大可达最大切向应变的1/3;
In the NC bending process of thin-walled tube with small bending radius, the maximal hoop strain can reach 1/3 of the tangential strain and can not be neglected.
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