“pivot bridge”的概念、定义、翻译、参考文献-科学参考

单词	pivot bridge
释义	pivot bridge [`piv·ǝt `brij] ^{CIVIL ENGINEERING} A bridge in which a span can open by pivoting about a vertical axis.
随便看	shot drill shot effect shot elevation shot feed shot-firing cable shot-firing circuit shot-firing curtain shot group shotgun shotgun cartridge shothole shothole casing shothole drill shot noise shot pattern shot peening shot point shot rock shotting shot tongs shoulder shoulder blade shoulder-elbow height shoulder girdle shoulder guard

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