點先知果隻戒子係咪不銹鋼?
回答 (1)
2007-07-03 7:50 pm
✔ 最佳答案
可以用重量方面如果知道介子体积 (外径-内径)....X厚度
再看看有多重就知道了
stainless steel 7.80g/cm^3
water 1.00g/cm^3
aluminum 2.70g/cm^3
zinc 7.13g/cm^3
iron 7.87g/cm^3
copper 8.96g/cm^3
silver 10.49g/cm^3
lead 11.36g/cm^3
mercury 13.55g/cm^3
gold 19.32g/cm^3
收錄日期: 2021-04-25 20:17:13
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070703000051KK00965