氫氣係點驗檢嫁...........
回答 (3)
2006-12-14 2:24 am
test of oxygen
use a glowing splint to test it , then it relights
use a glowing splint to test it , then it relights
2006-12-12 5:59 am
用有餘燃的木條
2006-12-12 3:06 am
用燃燒中的木條放入去
如果係氫氣會聽到 (卜)一聲
如果係氫氣會聽到 (卜)一聲
收錄日期: 2021-04-23 16:26:15
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https://hk.answers.yahoo.com/question/index?qid=20061211000051KK03147