insecticides造句

In remote regions, the air is pure and the crops are free of poisonous insecticides.
在偏远地区，空气很纯净，庄稼也不施用有毒的杀虫剂。

Objective To find methods for testing quickly if there were organophosphate and carbamate in insecticides.
目的快速检测市售卫生杀虫剂中是否含有机磷或氨基甲酸酯成分.

Confine the use of insecticides to the evening and do not spray plants that are in flower...
只在晚间使用杀虫剂，而且不要对正在开花的植物喷药。

Farm workers frequently come in contact with these insecticides.
农场工人常常接触这些杀虫剂.

Both Aldrin and Chlordane are valuable insecticides.
艾氏剂和氯丹都是重要的杀虫剂.

Confine the use of insecticides to the evening and do not spray plants that are in flower.
只在晚间使用杀虫剂，而且不要对正在开花的植物喷药。

The field bioassay of 4 trunk injection insecticides ( 14 % Imidacloprid + DDVP , 4.5 % Imidacloprid, 2 % Abamectin and 30 % DDVP + omethoate ) was conducted against Brontispa longissima.
利用14%吡虫啉.敌敌畏注干液剂 、 4.5%吡虫啉注干液剂 、 2%阿维菌素注干液剂和30%敌畏.

• #insecticides