“roofing copper”的概念、定义、翻译、参考文献-科学参考

单词	roofing copper
释义	roofing copper [`rüf·iŋ ´käp·ǝr] ^METALLURGY Copper that has been hot-rolled to sheets in 14- to 32-ounce (400- to 900-gram) weights.
随便看	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 shoulder-hand syndrome shoulder harness shoulder screw

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