发布时间:2025-01-21 12:53:51
磷化铝在粮库中的应用主要是用来杀虫的,磷化铝的含量56%,并且是片剂.使用时分成若干份(根据仓库大小和存粮多少而定),磷化铝在粮堆中缓慢释放(也叫潮解),粮仓又是密闭的,没有火源,所以不会着火.
墙上掉了一小块白色的皮怎么修复 没有洞 只是白色的皮 能不能用白牙膏直接涂上去
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