大学英语词汇短语释义解析及例句 contraction ratio


释义：

contraction ratio [航] 收缩比；收缩系数

例句：


With a product line of tens of categories, we can offer quick copying with precise contraction ratio (up to two thousandth) for mold making.

公司产品品种达几十种，为你的模具制作提供快速的复制，精密的收缩率，产品的收缩率可以达到千分之二。



Moving cowl, decreasing interior contraction ratio also can realize the hypersonic sidewall compression inlet's self-starting because of separation bubble on sidewall spilling out.

移动唇口板以减小内收缩比可以实现侧压式进气道自起动，主要是因为侧板分离包被排出进气道。