x
No Plagiarism!ws0cE6uXIWWLJ8SR7WGPposted on PENANA 忘記寫氫氣不能裝入氣球,要用氦氣填裝喔!氦氣是惰性氣體,較穩定,但氦氣很貴,要從美國進口;反之,氫氣便宜易取得,但遇熱容易爆炸,就像日常遇到不好的事很容易爆氣~8964 copyright protection134PENANAHy2ZyDpx8I 維尼
歡迎糾正,我國中理化從沒及格過~8964 copyright protection134PENANAn892ZBeoLm 維尼
138Please respect copyright.PENANAC4oztgR385
8964 copyright protection134PENANAFlP9YC3y8A 維尼
2023.8.7 留8964 copyright protection134PENANAmtJTV0lSpq 維尼
138Please respect copyright.PENANArUnuesBD0y
8964 copyright protection134PENANApS0mm53JMv 維尼
172.70.179.88
ns 172.70.179.88da2