x
No Plagiarism!7L8yNt5zKU2nfqgCQEZ4posted 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 protection318PENANAk5C5kNa7ah 維尼
歡迎糾正,我國中理化從沒及格過~8964 copyright protection318PENANA1mn9fsz9o7 維尼
322Please respect copyright.PENANAMYNx8UMGPD
8964 copyright protection318PENANA9SsAKAMJj2 維尼
2023.8.7 留8964 copyright protection318PENANAX6AG2F5Isa 維尼
322Please respect copyright.PENANAE8l7K2KBaq
8964 copyright protection318PENANA4tiYoczWBM 維尼
216.73.216.65
ns216.73.216.65da2