久久国产欧美日韩精品,日韩国产精品久久久久久亚洲,99视频精品全部免费免费,91精品国产综合久久走光

西維因煙劑防治效果為 31.51%,氯氰菊酯煙劑防治效果為97.68%.The control effect of DDVP . carbaryl and cypermethrin smoke agents were 95.85 % 31.51 % and 97.66 % respectively....

“西維因”的英語可以翻譯為：[機(jī)] carbaryl ...