x
No Plagiarism!ZzPWSKjS0P5ebyCrwKGSposted 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 protection318PENANA0eSsoTL38g 維尼
歡迎糾正,我國中理化從沒及格過~8964 copyright protection318PENANAYjoxBqZoZw 維尼
322Please respect copyright.PENANACZSrnNTCId
8964 copyright protection318PENANAkCx6yAYXWV 維尼
2023.8.7 留8964 copyright protection318PENANA1uHy4VsCXh 維尼
322Please respect copyright.PENANAJTQ6w1lorG
8964 copyright protection318PENANADaq3iVtqri 維尼
216.73.216.65
ns216.73.216.65da2