词典释义：
双语例句
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As in machine forging process with upsetter to forge partial of bars, L/D in part of thermal deformation is normally controlled within 10, and theoretical data should be within 1415.
在利用平锻机使棒料局部成形的平锻生产工艺中，热变形部分的长径比（L／D）通常控制在10以内，理论允许值不超过14～15。