其實,1PPM重金屬是要很小心才能控製到的. 工業區的水,菜,肉都很可能有.
所有跟帖:
• 某些汙染1PPM是很高的,使用汙染區生產的原料製造當然很難控製 -gulala- ♀ (19 bytes) () 11/17/2013 postreply 02:33:11
• 某些汙染1PPM是很高的,使用汙染區生產的原料製造當然很難控製 -gulala- ♀ (19 bytes) () 11/17/2013 postreply 02:33:11
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy