metallic copper meaning in English

金属铜

Standard specification for metallic copper powder for use in antifouling paints
防污漆用金属铜粉的标准规范
Although this stuff is used in bullet - proof vests , it does n ' t make for very good spider silk because it does little to dampen the effects of twisting . next , researchers tested soft metallic copper thread . copper dampened the twisting the best as the rod barely oscillated
实验结果显示，被用作防弹衣材料的凯夫拉尔纤维并不能有效地克服拧动软铜线虽然拧动小，但在转过几周之后变得容易折断而蜘蛛丝虽然不如软铜线的抗拧能力强，但其弹性最佳。