钢构件容许长细比的英文：
allowable slenderness ratio of steel member

allowable是什么意思：
adj. 允许的，正当的，可承认的
  • This agenda does not allow compromise.
    这一议程容不得商量。
  • Allow me to introduce myself.
    允许我把我自己向你介绍。
  • The ship was dry and no liquor was allowed.
    船上是禁酒的，不准卖含酒精的饮料。
slenderness是什么意思：
n. 纤细
  • All girls want to be slender.
    所有女孩都希望苗条。
  • The daughter was to have but a slender provision.
    女儿只能得到一份菲薄的嫁妆。
  • It was a long slender stick of vivid yellow.
    那是一根鲜黄色的又细又长的粉笔。
ratio是什么意思：
n. 比率；比例
  • neutralization ratio
    中和比率|中和比例
  • This is the prime ratio of the nascent increments
    这是最初增量的最初比。
  • Asset quality ratios: Ratios that measure the quality of assets of a lending institution.
    资产质量比率:衡量贷款机构资产质量的各种比率。

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