x
No Plagiarism!TBO8GWr13k1KBQEgrI9Aposted 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 protection133PENANAnOUSiy9nI8 維尼
歡迎糾正,我國中理化從沒及格過~8964 copyright protection133PENANAb4bq8fTyvw 維尼
137Please respect copyright.PENANAqhqM1Txrcm
8964 copyright protection133PENANAAbddJmJ8wA 維尼
2023.8.7 留8964 copyright protection133PENANApgvSyVsJZG 維尼
137Please respect copyright.PENANAhNNGqztRyU
8964 copyright protection133PENANA7fsDweH6nH 維尼
172.69.58.66
ns 172.69.58.66da2