Brassballs exhibit good corrosion resistance in environments where fuel oil, gasoline, kerosene and alcohol are present.
黄铜球具有良好的耐腐蚀性能在环境中的燃油，汽油，煤油和酒精都在场。
2
"You know what it takes?" he asks, reaching into his attache case to display two metallic spheres dangling from a string. "Brassballs."..
“你知道这会需要付出什么？”他一边问，还从他的公文包里取出两个晃动的金属球，“黄铜球……”。
3
Primary uses for wrot brass are for ball valve stems and balls, and iron valve stems. a forging grade of brass is used in ball valve bodies and pieces.