Fill in the table .
___________________________________
|______.|___Shape of flame__|. Noise Level |
|Air hole | ( regular/irregular )..| (quiet/noisy)|
|______.|________________.|_________..|
-----------------------------------------------------
| Closed...|________________.|_________..|
-----------------------------------------------------
| Open_...|________________.|_________..|
-----------------------------------------------------
Bunsen burner
2011-11-04 4:25 am
回答 (1)
2011-11-04 5:04 am
✔ 最佳答案
___________________________________|______.|___Shape of flame__|. Noise Level |
|Air hole | ( regular/irregular )..| (quiet/noisy)|
|______.|________________.|_________..|
-----------------------------------------------------
| Closed...|___irregular______.|_quiet____..|
-----------------------------------------------------
| Open_...|_regular_________.|_noisy____..|
參考: me
收錄日期: 2021-04-20 11:44:36
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20111103000051KK00729