Producing little stretch distortion and having no flection under permitted air speed and pressure are the criterions of assessing air conduit capacity based on its bearing load. 基于风管所承受的各种荷载来评定其工作能力,通常在允许的气流速度(压力),是否只产生较小的弹性变形,而不产生屈曲。
flection
[ noun ]
the state of being flexed (as of a joint)
<noun.state>
deviation from a straight or normal course
<noun.event>
Flection \Flec"tion\, n. [See {Flexion}.] 1. The act of bending, or state of being bent.
2. The variation of words by declension, comparison, or conjugation; inflection.