发布时间:2025-01-29 23:36:44
农药敌敌畏对水后放一段时间还有效果,但药效会降低。敌敌畏兑水后暴露在空气中,有效成分会慢慢挥发掉,药效会逐渐降低。估计放置2天后,药效会降低50%左右;放置一周后,药效会降低80%以上。
图1 典型的北方四合院 图2 黑漆大门刻有耕读事业勤俭家风金色对联 材料2风雨如磐
2025-01-29 23:36:44 2025-01-29 23:36:44 2025-01-29 23:36:44 2025-01-29 23:36:44 2025-01-29 23:36:44 2025-01-29 23:36:44想到山东临沂批发篷布车网汽车用绳等一些大货车上用的要在哪批发比较便宜质量好
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