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	tritheism triticale triticales tritium tritiums triton Triton Triton College tritone tritones tritons triturate triturated triturates triturating trituration triturations triumph triumphal triumphalism triumphalisms triumphant triumphed triumphing triumphs

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