查看: 44|回復: 0

Hydrogen (H).

3 主題	3 帖子	13 積分

新手上路

Rank: 1

積分: 13

發消息

發表於 2026-9-12 10:34:33 | 顯示全部樓層 |閱讀模式

As part of countless carbon substances, hydrogen is present in all pet and vegetable tissue and in oil.

Feel free to surf to my homepage ... h2 chemistry summary

回復

使用道具舉報

返回列表