小心,70年代北京電鍍廠曾污染了周圍環境造成嚴重傷害
所有跟帖:
• 查了一下据说三价铬安全,六价铬有害 -dudaan- ♂ (0 bytes) () 04/03/2018 postreply 07:41:28
• 查了一下据说三价铬安全,六价铬有害 -dudaan- ♂ (0 bytes) () 04/03/2018 postreply 07:41:28
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2024 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy