swallow tail 燕尾 ; 燕尾叉形物 ; 燕尾桦 ; 燕尾榫
swallow tail rule scrapping plate 燕尼尺刮制平板
swallow-tail twin 燕尾双晶
swallow-tail way 燕尾导轨
shocking swallow-tail coat 令人震惊的燕尾大衣
swallow-tail joint 燕尾接合
swallow tail joint 燕尾接合
N any of various butterflies of the genus Papilio and related genera, esp P. machaon of Europe, having a tail-like extension of each hind wing: family Papilionidae 燕尾状物
They were also called hand plates, swallow-tail plates, close plates and cane plates in the Ming Dynasty.
明代还有手牌、燕尾牌、挨牌、藤牌等称法。
The swallow-tail tunnel is a new structure in recent years, which consists of a small space tunnel and large-arch tunnel.
燕尾式隧道是国内近几年出现的一种新的隧道结构形式，它由小间距隧道、大拱隧道组成。
The cross section of the resistant grinding slot is arc or swallow-tail form or any other form fitted to install rolling resistant grinding roll.
所述耐磨槽的横断面形状为弧形或燕尾形或其它适合 安装可以滚动的耐磨辊的形状。
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