英语词汇“springing line”是什么意思，“springing line”的读音、用法及例句翻译-烛光网

词汇	springing line
释义	springing linen.（名词） A horizontal line between the springings of an arch.起拱线：拱形物起拱点之间的水平线
随便看	shorewards shoring shoring shorings shorl shorn shorn shorns short short account shortage shortages short-billed marsh wren shortbread shortcake shortchange short circuit short-circuit shortcoming short covering shortcut short-day short division shorted shorten

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